the perimeter if a right triangle is 12cm and its hypotenuse is 5 cm .Find its area
jsdcorreo:
6 cm², http://triancal.esy.es/?g=3&c=5&p=12
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perimeter of triangle = sum of all sides
:. 12= side + side +5
:. 12-5 = 2 side
:. 7= 2 side
:. 7÷ 2 = side
:. 3.5 = side
:. area of triangle = height × base ÷ 2
:. 3.5×3.5 ÷ 2
:. 12.25÷2
=6.12sq.cm.
:. 12= side + side +5
:. 12-5 = 2 side
:. 7= 2 side
:. 7÷ 2 = side
:. 3.5 = side
:. area of triangle = height × base ÷ 2
:. 3.5×3.5 ÷ 2
:. 12.25÷2
=6.12sq.cm.
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