Question

What is the length of the base if the triangle if the area is 29.16 square inches and the altitude is 5.4 inches? Round your answer to the nearest tenth.

Answer 1

a=b timmes height times 1/2
subsitute
a=29.16
height/altitude=5.4
29.16=1/2 times 5.4 times base
mmultiply both sides by 2 to get rid of fraction
58.32=5.4 times b
divide both sides by 5.4
10.8=base


the answe is 10.8 inches