Question

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Answer 1

We gots triangle and half circle
square is meaning all sides are 20
that means height and base are 20 (isocelese)
and diameter is 20


area triangle=1/2bh=1/2(20)(20)=200

square=side*side=20*20=400

semicircle=1/2*pir^2
d/2=r, 20/2=r=10
semi=1/2*pi*10^2=1/2*pi*100=50*pi
using aprox pi=3.141592
semi=157

add them all
200+400+157=757

G is answer