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Molly666
09.12.2019 •
Mathematics
Find the area of this right triangle
someone me
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Ответ:
54 sq ft
Step-by-step explanation:
Area of a triangle is given by :
Area = (1/2) x base x height
in our case, if we assume the base of the right triangle to be 12 feet, then the height is 9 feet
Substituting this into our equation
Area = (1/2) x 12 x 9
Area = 54 sq ft
Ответ:
Explanation:
We need to find the area of the rectangle:
Area: A = L * w = length * width = 12 ft. * 18 ft. = 216 ft.²
Then we need to find the area of the TRAPEZOID that is on top of the rectangle:
Area: A = (1/2) * (base 1 + base 2) * height
= (1/2) * (18 ft. + 10 ft.) * 6 ft.
= (1/2) * ( 28 ft.) * (6ft.)
= 84 ft.²
Now, we add the 2 (TWO) areas together, to get the
216 ft.² + 84 ft.² = 300 ft.² .