Answer:
A=2πrh
Step-by-step explanation:
A=2*22/7*4*9
=230
Answer:
a i think give me brainliest. good day.
Step-by-step explanation:
Answer:
Step-by-step explanation:
both angles must add up to 180 so
6x+12+3x+63 must =180
= 9x+75
9x+75=180
-75 -75
9x=105
x=11.66
meaning A is approximately 81.96
Step-by-step explanation:
n2+5=21
n2 =21-5
n2 = 16
n =16/2=8
Answer:
Step-by-step explanation:
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