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OpenStudy (anonymous):
What is the length of the base of a triangle with height 20 cm and area 150 cm2? (Points : 2) 3.75 cm 10 cm 15 cm 7.5 cm @jim_thompson5910
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jimthompson5910 (jim_thompson5910):
A = (b*h)/2 150 = (b*20)/2 solve for b
jimthompson5910 (jim_thompson5910):
if you're stuck, multiply both sides by 2 and flip both sides to get 20b = 300
OpenStudy (anonymous):
15 cm
jimthompson5910 (jim_thompson5910):
yep
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