Fm610899
26.07.2019 •
Mathematics
Find the area of a right triangle with base length 30 inches and height 3 feet
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Ответ:
A = (1/2)(2.5 ft)(3 ft) = 3.75 ft²
Ответ:
correct answer is 2800.
Step-by-step explanation:
You take the area of the square which is 20x20 = 400.
There is 5 squares 400x5 = 2000
There is 4 triangles--which is 1/2 the area of 1 square (In this case).
One triangle = 200
200x4 = 800
2000 + 800 = 2800