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An isosceles triangle has perimeter 30 …

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An isosceles triangle has perimeter 30 cm and each of the equal side is 12 centimetre find the area of the triangle

Posted by Unnati Gupta 4 years, 11 months ago

CBSE > Class 09 > Mathematics

4 answers

Gaurav Kumar 4 years, 11 months ago

Its third side become 6 cm then using heron's formula area of triangle is came

0Thank You

Vrushali Shete 4 years, 11 months ago

Let the third side of ?=x 12+12+x=30 24+x=30 X=30-24 X=6 The area of ?=6

0Thank You

Kunal Agarwal 4 years, 11 months ago

Let be third side of triangle as x So, 12+12+x=30 24+x=30 x=30-24 x=6 Perimeter of triangle =12+12+6

0Thank You

Reena Bansal 4 years, 11 months ago

Frst base is 30 -12-12 = 6 Then by herons formula find the area it would be 9root15

1Thank You

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CBSE > Class 09 > Mathematics