Area and perimeter of 2-D shapes
 

Area and perimeter of 2-D shapes problem 121


The diagram below shows a right-angled triangle ABC. The hypotenuse c of the triangle ABC is 8.90 cm. The ratio of the lengths of the perpendicular projections of sides a and b to the hypotenuse is 0.39. Calculate the perimeter and area of the triangle.



 

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