#8 Tessa has a plan for a set of stairs made of concrete, as shown. Each stair is 1 point the same width and height and is talle
r than the previous one by the same amount. What is the volume of concrete needed for the set of stairs?
Picture below:
Picture below:
1 answer:
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Answer:
Area of triangle= 1/2 x base x height
Area of triangle
Therefore the area of the triangle is 45.5inch