Chauncey is building a storage bench for his son’s playroom. The storage bench will fit into the corner and against two walls to form a triangle. Chanuncy wants to buy a triangular shaped cover for the bench.

If the storage bench is 2 1/2 ft. Along one wall and 4 1/4 ft. Along the other wall, how big will the cover have to be to cover the entire bench?

Correct answer:

A =  5.3125 ft2

Step-by-step explanation:

a=2+12=52=2.5 ft b=4+14=174=4.25 ft  A=12 a b=12 2.5 4.25=8516=8516 ft2=5.3125 ft2

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