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Find the unknown length for the triangle
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2 votes
Find the unknown length for the triangle

Find the unknown length for the triangle-example-1
User SmoothBrane
by
7.9k points

2 Answers

5 votes
Area for a triangle = (b*h)/2
h=12, b is unknown
so b*12/2=18(your total area)

12b/2=18 (times by 2 to isolate b)

12b=36 (divide by 12 to isolate b)

unknown length b=3
User Spencer Hall
by
7.6k points
1 vote
unknown length = 18/12 = 1.5

answer
A. 1.5 ft
User Ddavidad
by
8.2k points
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