sides of a triangle are in ratio of 12:17:25: and its perimeter is 540 cm find its area
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let us take the unknown number as x.
all angles together forms 540 cms. (as given)
so,
12x+17x+25x= 540
54x= 540
x= 10.
therefore sides are 120cm, 170cm & 250cm (multiplied by 10 as x=10)
area= 1/2 bh.
= 1/2 250 x 120
= 15000 sq.cm.
all angles together forms 540 cms. (as given)
so,
12x+17x+25x= 540
54x= 540
x= 10.
therefore sides are 120cm, 170cm & 250cm (multiplied by 10 as x=10)
area= 1/2 bh.
= 1/2 250 x 120
= 15000 sq.cm.
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