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

question 13

Multiple Choice

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

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