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MrRa [10]
3 years ago
7

a shape is made of 12 right triangles of equal size each right triangle has a base of 4 cm and a height of 5 cm what is the tota

l area in square centimeter of the shape
Mathematics
1 answer:
OLEGan [10]3 years ago
7 0

Answer:

Step-by-step explanation:

The area  of a triangle is equal to half the product of its length (L) because of its height (h).

The base of the triangles is  

The height of the triangles is  

Then the area of one of the triangles is:

The figure is formed by 12 equal triangles, then the area of the figure  is:

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