exam Maths Puzzle Numerical Ability

Please help me find the perimeter of a Parallelogram inscribed in a circle.
Here is the Question:
EFGH is a Parallelogram. Arc HG=120degrees, Radius of the circle=6, Find the pe

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exam Other Question

This is from a text book
base 1 of a trapezoid =10 ft,base 2=8ft.The height is 5.What is the area?

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A ladder 40 ft long leans against a building and reaches a ledge. The foot of the ladder is 16 ft from the building. How high is the ledge?