Answer:
your answer will be 126
Step-by-step explanation:
8x+78=2x+114
8x-2x=114-78
6x=36
x=36/6=6
<B=2(6)+114
=<u> </u><u>126</u>
Answer:
true
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Answer:
272 yd²
Step-by-step explanation:
Surface area = base area + lateral area
= (10×10)+(8.6×10×2)
= 100+172
= 272 yd²