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Mazyrski [523]
3 years ago
7

20 points!!!

Mathematics
2 answers:
Ghella [55]3 years ago
8 0
Area of semi circle: you know the radius is 5. 5^2 * pi = 25pi/2 = 12.5pi
For triangle: bh/2 = (10 * 10)/2 = 50
Add them together: 12.5pi + 50
12.5pi = 39.25
39.25 + 50 = 89.25
It’s closest to D
Svetach [21]3 years ago
8 0

Area of equilateral triangle is =

\sqrt{3}  \div 4 \times s {}^{2}

Root 3/4*10*10

Root 3/4*100

Root 3*25

25 root 3

Area of semicircle =1/2*22/7*5²

=1/2*22/7*25

(11*25)/7

275/7

=39.28

Adding areas of triangle and semicircle

25 root 3 +39.28

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