Base = x + 4
Altitude = 4*base = 4*(x+4)
Area = 0.5*base*altitude = 0.5*(x+4)*4*(x+4) = 2*(x+4)2
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The area of triangle is : 64.0
Area of a triangle = 1/2*base*altitude in square units Area = 45 square feet
Area = 0.5*base*altitude
Area of a triangle = (0.5) * (Base) * (Altitude) = (0.5) * (6 meters) * (8 meters) = 24 square meters
The area (A) of a triangle = 1/2 x base x altitude (or height). Area = 1/2 x 11 x 8 = 44 sq ft