2 years ago

Can y'all answer this please

Mathematics

1 answer:

Svetlanka [38]2 years ago

8 0

Answer:

Step-by-step explanation:

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3 years ago

6. a semicircle has as its diameter the hypotenuse of a right triangle shown below. determine the area of the semicircle to the

jeyben [28]

Answer:

$A = 137.3cm^2$

Step-by-step explanation:

Given

See attachment

Required

The area of the semicircle

First, we calculate the hypotenuse (h) of the triangle

Considering only the triangle, we have:

$\cos(68) = \frac{7}{h}$ --- cosine formula

Make h the subject

$h = \frac{7}{\cos(68)}$

$h = \frac{7}{0.3746}$

$h = 18.7$

The area of the semicircle is then calculated as:

$A = \frac{\pi h^2}{8}$

This gives:

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$A = \frac{1098.03}{8}$

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7 0

3 years ago

Can y'all answer this please​

Can y'all answer this please