Dawn is making an abstract painting with two triangles. The dimensions of the painting are shown below:
The total area of the two triangles is
square inches.
First, find the area of each triangle and then we add it up to get the total area of the two triangles The first triangle has a base of 6 inches and a height of 8 Area of a triangle = 1/2 * base * height what is the area of this triangle?
48
No, remember that it's 1/2 * base * height so what is 1/2 * 6 * 8 =
24
wait, my apologies, the height is 10 so what is 1/2 * 6 * 10 =
30
Good! Now let's find the area of the other triangle the base is 8 the height is 10 Area = 1/2 * base * height Area = ?
30
No, we have new numbers for the OTHER triangle base = 8 height = 10 area = 1/2 * 8 * 10 area = ??
40
Good So what is the area of both triangles? Just add them up 30 + 40 = ?
70
and so that's the total area of the two triangles
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