What is the area, in square centimeters, of the trapezoid below?
18.2 cm
9.2 cm
8.3 cm

Solved

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Ответ:

kayleeblanton1132

22.09.2020

Mathematics

ANSWER

The correct answer is

21.5 square centimeters

EXPLANATION

The shaded area is the area of the square minus the area of the Circle.

Area of shaded region

$= {l}^{2} - \pi \: {r}^{2}$

From the diagram,

l = 10cm

and

$r = \frac{l}{2} = \frac{10}{2} = 5cm$

This implies that,

Area of shaded region

$= {10}^{2} - \pi \times {5}^{2}$

$= 100 -25 \pi$

$\approx21.5 {cm}^{2}$

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What is the area, in square centimeters, of the trapezoid below? 18.2 cm 9.2 cm 8.3 cm