Solve.
-The area of a triangular poster is 1480 square centimeters. Its altitude is 6 feet shorter than twice its base. Find the lengths of the altitude and base.
A)base = 40 cm; altitude = 37 cm
B)base = 20 cm; altitude = 74 cm
C)base = 40 cm; altitude = 74 cm
D)base = 80 cm; altitude = 18.5 cm

Question

Quizplus · Accepted Answer

The area of a triangle is given by (1/2) * base * altitude. Let the base be x cm. Then the altitude is (2x - 6) cm. Setting up the equation: (1/2) * x * (2x - 6) = 1480. Solving this gives x = 40 cm for the base and 74 cm for the altitude.

Solve. -The Area of a Triangular Poster Is 1480 Square Centimeters