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construct triangle pqr whose perimeter is 12cm. the sides are in the ratio 3:2:4

Posted by Bhavya Sharma 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Johnish Shaji 8 years, 4 months ago

3:2:4 3x+2x+4x=9x 9x=12cm x=12/9 x=1.3 Substitute the value of 'x' in 3x,2x and 4x Thus, 3x=3×1.3 =3.9cm 2x=2×1.3 =2.6cm 4x=4×1.3 =5.2cm So, draw triangle with pq=3.9cm qr=2.6cm and,pr=5.2cm Thus solved

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CBSE > Class 09 > Mathematics