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Find the area of the triangle …

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Find the area of the triangle whose side are 42cm, 34cm and 20cm

Posted by Bhoomika Reddy 2 years ago

CBSE > Class 09 > Mathematics

3 answers

R Samiksha 2 years ago

336 cm sq

0Thank You

Khushbu Tripathi 2 years ago

Given sides of the triangle are in ratio 42 : 34 :20 Semi perimeter - 42 + 34 +20 /2 = 96/2 =48 By heron 's formula = √ s ( s - a ) ( s - b) (s - c ) √ 48 (48 - 42 ) (48 - 34 ) ( 48 - 20 ) √ 48 ×6 ×14 × 28 √ 2×2×2×2×3×2×3×2×7×2×2×7 2×2×3×2×7×2 = 336 cm square

1Thank You

Khushbu Tripathi 2 years ago

336 cm square

1Thank You

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CBSE > Class 09 > Mathematics