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the side of a right angled triangle containing the right angle are( 5x) and (3x-1)cm. if it's area is 60(cm)2.find it's perimeter.. |
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Answer» AREA= B*H*1/260=5x*3x-1*1/2120=15x^2-18=x^2-19=x^23=x one side = 5*3=15cm second side = 3*3-1=8cm hypotenuse^2=15^2+8^2 h^2=225+64h^2=289h=17 perimeter = 15+8+17 CM =40 cm |
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