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Long Base of Trapezoid is the longer side among the pair of parallel sides of the Trapezoid. Check FAQs
BLong=(dLongdShorthsin(d(Leg)))-BShort
BLong - Long Base of Trapezoid?dLong - Long Diagonal of Trapezoid?dShort - Short Diagonal of Trapezoid?h - Height of Trapezoid?d(Leg) - Leg Angle between Diagonals of Trapezoid?BShort - Short Base of Trapezoid?

Long Base of Trapezoid given Height and Both Diagonals Example

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With units
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Here is how the Long Base of Trapezoid given Height and Both Diagonals equation looks like with Values.

Here is how the Long Base of Trapezoid given Height and Both Diagonals equation looks like with Units.

Here is how the Long Base of Trapezoid given Height and Both Diagonals equation looks like.

15.681Edit=(14Edit12Edit8Editsin(80Edit))-5Edit
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Long Base of Trapezoid given Height and Both Diagonals Solution

Follow our step by step solution on how to calculate Long Base of Trapezoid given Height and Both Diagonals?

FIRST Step Consider the formula
BLong=(dLongdShorthsin(d(Leg)))-BShort
Next Step Substitute values of Variables
BLong=(14m12m8msin(80°))-5m
Next Step Convert Units
BLong=(14m12m8msin(1.3963rad))-5m
Next Step Prepare to Evaluate
BLong=(14128sin(1.3963))-5
Next Step Evaluate
BLong=15.6809628132554m
LAST Step Rounding Answer
BLong=15.681m

Long Base of Trapezoid given Height and Both Diagonals Formula Elements

Variables
Functions
Long Base of Trapezoid
Long Base of Trapezoid is the longer side among the pair of parallel sides of the Trapezoid.
Symbol: BLong
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Long Diagonal of Trapezoid
Long Diagonal of Trapezoid is the length of the line joining the corners of smaller acute angle and smaller obtuse angle of the Trapezoid.
Symbol: dLong
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Short Diagonal of Trapezoid
Short Diagonal of Trapezoid is the length of the line joining the corners of larger acute angle and larger obtuse angle of the Trapezoid.
Symbol: dShort
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Height of Trapezoid
Height of Trapezoid is the perpendicular distance between the pair of parallel sides of the Trapezoid.
Symbol: h
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Leg Angle between Diagonals of Trapezoid
Leg Angle between Diagonals of Trapezoid is the angle made by the diagonals of the Trapezoid which is near to any of the pair of non parallel and opposite legs of the Trapezoid.
Symbol: d(Leg)
Measurement: AngleUnit: °
Note: Value should be between 0 to 180.
Short Base of Trapezoid
Short Base of Trapezoid is the shorter side among the pair of parallel sides of the Trapezoid.
Symbol: BShort
Measurement: LengthUnit: m
Note: Value should be greater than 0.
sin
Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse.
Syntax: sin(Angle)

Other Formulas to find Long Base of Trapezoid

​Go Long Base of Trapezoid
BLong=2Ah-BShort
​Go Long Base of Trapezoid given Central Median
BLong=(2M)-BShort
​Go Long Base of Trapezoid given Height
BLong=BShort+(h(cot(Larger Acute)+cot(Smaller Acute)))
​Go Long Base of Trapezoid given Long Leg
BLong=BShort+(LLongsin(Smaller Acute+Larger Acute)sin(Larger Acute))

How to Evaluate Long Base of Trapezoid given Height and Both Diagonals?

Long Base of Trapezoid given Height and Both Diagonals evaluator uses Long Base of Trapezoid = ((Long Diagonal of Trapezoid*Short Diagonal of Trapezoid)/Height of Trapezoid*sin(Leg Angle between Diagonals of Trapezoid))-Short Base of Trapezoid to evaluate the Long Base of Trapezoid, Long Base of Trapezoid given Height and Both Diagonals formula is defined as the longer side among the pair of parallel sides of the Trapezoid, and calculated using the height and both diagonals of the Trapezoid. Long Base of Trapezoid is denoted by BLong symbol.

How to evaluate Long Base of Trapezoid given Height and Both Diagonals using this online evaluator? To use this online evaluator for Long Base of Trapezoid given Height and Both Diagonals, enter Long Diagonal of Trapezoid (dLong), Short Diagonal of Trapezoid (dShort), Height of Trapezoid (h), Leg Angle between Diagonals of Trapezoid (∠d(Leg)) & Short Base of Trapezoid (BShort) and hit the calculate button.

FAQs on Long Base of Trapezoid given Height and Both Diagonals

What is the formula to find Long Base of Trapezoid given Height and Both Diagonals?
The formula of Long Base of Trapezoid given Height and Both Diagonals is expressed as Long Base of Trapezoid = ((Long Diagonal of Trapezoid*Short Diagonal of Trapezoid)/Height of Trapezoid*sin(Leg Angle between Diagonals of Trapezoid))-Short Base of Trapezoid. Here is an example- 15.68096 = ((14*12)/8*sin(1.3962634015952))-5.
How to calculate Long Base of Trapezoid given Height and Both Diagonals?
With Long Diagonal of Trapezoid (dLong), Short Diagonal of Trapezoid (dShort), Height of Trapezoid (h), Leg Angle between Diagonals of Trapezoid (∠d(Leg)) & Short Base of Trapezoid (BShort) we can find Long Base of Trapezoid given Height and Both Diagonals using the formula - Long Base of Trapezoid = ((Long Diagonal of Trapezoid*Short Diagonal of Trapezoid)/Height of Trapezoid*sin(Leg Angle between Diagonals of Trapezoid))-Short Base of Trapezoid. This formula also uses Sine function(s).
What are the other ways to Calculate Long Base of Trapezoid?
Here are the different ways to Calculate Long Base of Trapezoid-
  • Long Base of Trapezoid=(2*Area of Trapezoid)/Height of Trapezoid-Short Base of TrapezoidOpenImg
  • Long Base of Trapezoid=(2*Central Median of Trapezoid)-Short Base of TrapezoidOpenImg
  • Long Base of Trapezoid=Short Base of Trapezoid+(Height of Trapezoid*(cot(Larger Acute Angle of Trapezoid)+cot(Smaller Acute Angle of Trapezoid)))OpenImg
Can the Long Base of Trapezoid given Height and Both Diagonals be negative?
No, the Long Base of Trapezoid given Height and Both Diagonals, measured in Length cannot be negative.
Which unit is used to measure Long Base of Trapezoid given Height and Both Diagonals?
Long Base of Trapezoid given Height and Both Diagonals is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Long Base of Trapezoid given Height and Both Diagonals can be measured.
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