Question 320870
one leg  7cm 
other leg  11 cm.
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hypotenuse^2= 7^2+11^2
H^2=49+121
H^2=170
H= sqrt 170
Hypotenuse = 13.03 cm
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Perimeter = sum of all sides
=7+11+13.03=31.03 cm
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Area of right triangle  = 1/2 *one leg * other leg
=1/2 * 7*11
38.5 cm^2
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