Q4. A triangle and a parallelogram have the same base and the same area. If the sides of the triangle are 13 cm, 14 cm and 15 cm and the parallelogram stands on the base 14 cm, find the height of the parallelogram.
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Step-by-step explanation:
Area of a triangle =
- So let The sides be
- a=13
- b=14
- c=15
S is the semi-perimetre
Therefore,
Now
SO,
Area of triangle = 84sqcm. ......EQ 1
Area of Parallelogram
Where,
- b= Base= 14 cm
- h = Hieght
So,
So,
Area of Parallelogram = 7h. .....EQ 2
But we know
Therefore, From EQ 1 and 2
Therefore, Hieght of the Parallelogram (H) = 12cm
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