frac r9+8−13= 9r +8" alt="-13 =\dfrac r9+8−13= 9r +8" align="absmiddle" class="latex-formula">
2 answers:
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Answer:
25.12cm
Step-by-step explanation:
So we first find the area of the circle on top:
area= or 3.14 x
which equals 12.56
Then we multiply it by 2:
12.57 x 2 = 25.12
So the lateral surface area is 25.12cm
