Answer:
11
Step-by-step explanation:
a = d1+d2 all divided by 2
7+7+4+4/2
14+8/2
22/2
11
Answer:
yes I can help you but ???
Answer:
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Step-by-step explanation:
ok ok ok ok ok ok ok ok ok ok ok ok
Answer:
157
Step-by-step explanation:
formula- 2 x 3.14 x 5 squared
6.28 x 5 squared
6.28 x 25
157