Robert drew a parallelogram with 2 55 degree angles. What are the measures of the 2 other angles? Both of the angles have to be
1 answer:
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Answer:
84.87sq ft
Step-by-step explanation:
Let ABC be the triangle and AD be the perpendicular on BC such that BD=DC=7ft.
Now, it is known that
Now, in triangle ADC, we have
Now, area of the triangle=
=
=
Thus, area of the building is 84.87sq ft.
Answer:
Step-by-step explanation:
Area of square = area of triangle
x² - 3x - 2 = 0