Answer:
38 cm
Step-by-step explanation:
12 * 2 = 24
7 * 2 = 14
24 + 14 = 38
Answer:
Multiply by 3, 162
Step-by-step explanation:
2 x 3 is 6.
6 x 3 is 18.
18 x 3 is 54.
54 x 3 is.... you get the deal.
54 x 3 is 162.
Answer:
Area of semicircle is

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