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sattari [20]
3 years ago
5

Each blade on a windmill is in the shape of a triangle with a base of 7 ft and height of 4 ft if there are four blades on the wi

ndmill, what is the total area of the blades.
Mathematics
2 answers:
Leto [7]3 years ago
8 0
Area of one blade is
A=(1/2)b*h=(1/2)7*4=28/2=14 
for four blades
14*4=56
8_murik_8 [283]3 years ago
6 0

Solution :

As per the problem we have

Each blade on a windmill is in the shape of a triangle with a base of 7 ft and height of 4 ft.

There are four blades on the windmill.

we have been asked to find the total area of the blades.

Area of one blade=\frac{1}{2}*base*height=\frac{1}{2}*7*4  =14  \ ft^2\\

Total are of blades=4*\text{Area of one blade}\\

Total are of blades=4*14=56 \ ft^2\\


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