The model below is composed of a rectangle and a semicircle find the area of the figure 16 and 18
1 answer:
Answer:
11. AREA=AREA 9F RECTANGLE +AREA OF SEMICIRCLE
AREA=LW+0.5pie×r²
r=18in/2=8in
Area=18in×36in+0.5×3.14×(9in)²
Area=648in²+127.17in²
Area=775.17in²
area=775.2in²
12. Area of the shaded region=Area of rectangle-area of semicircle
r=5in/2=2.5in
=LW-0.5pie×r²
=6in×5in-0.5×3.14×(2.5in²)
=30in²-9.8124in²
=20.2in²
hope it helped, please mark me brainliest
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