Answer:
Explanation:
lateral area = 1.5*12*5 =90
Base is an equilateral triangle
slant hight= 12 in
side of base= 5 in
so, perimeter of base = 3(5)=15 in
lateral area = 1/2 pl =1/2 (15)(12) in
=90 in²
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hope it helps..
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