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1 answer:
An expression to find the amount of wood needed to build the two side panels of a Skateboard ramp is A = 1/2(a+b)h
About 840 square in wood is needed to build the side panels of a skateboard ramp
<h3>Area of a trapezoid </h3>A) The skateboard ramp shown is a trapezoid. Since the formula for calculating the area of trapezoid is expressed as;
A = 1/2(a+b)h
where
a and b are the parallel sides of the trapezoid
h is the height of the ramp
Hence an expression to find the amount of wood needed to build the two side panels of a Skateboard ramp is A = 1/2(a+b)h
B) Determining the amount of wood needed;
a = 20in
b = 50in
h = 24in
Substitute
A = 1/2(20+50)(24)
A = 1/2(70)(24)
A = 35 * 24
A = 840 square in
Hence about 840 square in wood is needed to build the side panels of a skateboard ramp
Learn more on area of trapezoid here: brainly.com/question/1463152
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