3x + 2y = 12 -x + 5y = 13 Solve by elimination Y and x
1 answer:
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The area of the base (six triangles with a base 15m and a height 7.5√3m):
The area of side walls (six triangles with a base 15m and a height 12m)
The surface area:
The area of side walls (six triangles with a base 15m and a height 12m)
The surface area:
Answer:
Step-by-step explanation:
Given
Required
Area of RST
The sector area is calculated using:
So, we have:
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