Area of semi circle = π r²/2
= π 20 × 20 / 2
= 200 π
= 628 cm² (approx)
Answer:
22
Step-by-step explanation:
9-5=4
4*3=12
12+10=22
Answer:
area = 2,142
perimeter = 70
Step-by-step explanation:
area = length x width x height
a=18 x 17 x 7
perimeter = all sides added together and assuming it is a rectangle...
p=18 + 18 + 17 + 17
Answer:
C, 12,800
Step-by-step explanation:
40 x 320 = 12,800
Answer:
$43.74
Step-by-step explanation:
You can multiply .65 to 65.75 to find your answer.
