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vazorg [7]
3 years ago
7

A regular 7 sided figure is divided into 7 congruent triangles ,each with a base of 12 inches and a height of 12.5 inches. What

is the area of the 7 sided figure.
Mathematics
2 answers:
gizmo_the_mogwai [7]3 years ago
4 0
You must apply the following formula to calculate the area a triangle:

 A=bxh/2

 b=12 inches (the base of the triangle)
 h=12.5 inches (the height of the triangle)

 When you substitute these values into the formula, you obtain:

 A=bxh/2
 A=(12 inches)(12.5 inches)/2
 A=75 inches²
<span>
 You already have the area of one triangle. So, you only have to multiply this area by 7, because the seven (7) triangles are congruent, which means that they have the same area:
</span>
 At=Ax7
 At=(75 inches²)(7)
 At=525 inches²
<span>
 What is the area of the 7 sided figure?
</span>
 The answer is: 525 inches²
Elza [17]3 years ago
4 0

Answer:

Step-by-step explanation:

I did (1/2 divided by 12) and then I got 6 so I times it with 12.5 and got 75 then I times it by 7 to get 525

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