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Nikolay [14]
2 years ago
5

Help pls will give brainliest

Mathematics
1 answer:
olchik [2.2K]2 years ago
7 0

Answer:

b

Step-by-step explanation:

area of triangle = 1/2 x c x d =cd/2

area of semicircle = 1/2 x π x r^2 = 1/2 x π x (a/2)^2 = 1/2 x π x a^2/4 =πa^2/8

area of shape = area of triangle + area of semicircle

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The square ABCD has side length 20 cm,
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Answer:

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Step-by-step explanation:

BE is 1/2 of BC

BC is 20 cm                 All sides of a square are equal

BE = 1/2 BC                  Property of a midpoint.

BE = 10

Now just use Pythagorus

AB^2 + BE^2 = AE^2

AE^2 = 20^2 + 10^2   Perform the sqrs

AE^2 = 400 + 100      Add the terms

AE^2 = 500                Take the square root of both sides

√AE^2 = √500

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Step-by-step explanation:

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Step 3: Divide both sides by -4.

−4y/−4= −3x−6/−4

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