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Geometry Level 2

If the area of the trapezoid (trapezium) in the diagram above is n n , calculate n 2 n^2 .


The answer is 168.75.

Thành Đạt Lê by Thành Đạt Lê , 17, Singapore

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1 solution

X X
Jun 21, 2018

n = 1 2 × 5 × 6 × sin ⁡ 12 0 ∘ , n 2 = 675 4 n=\dfrac12\times 5\times 6 \times\sin120^\circ,n^2=\dfrac{675}4

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