If the area of triangle is 360 cm2 and the height is 18cm, find its base
2 answers:
Formula for area of a triangle is 1/2 x base x height.
360 = 1/2 x base x 18
First multiply both sides by 2:
720 = base x 18
Now divide both sides by 18:
Base = 720/18
Base = 40 cm
Solution:
<u>Note that:</u>
Area of triangle = 1/2 x Base x Height Area of triangle = 360 cm² Height = 18 cm <u>Using the formula to find the area:</u>
1/2 x Base x Height = Area of triangle => 1/2 x Base x 18 = 360 cm² => Base x 9 = 360 cm² => (Base x 9)/9 = 360/9 cm² => Base = 40 cm
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