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If the area of a right angled triangle is 216metre square and base is 24metre, find the perimeter of the triangle

Posted by Moorthy Vaira 4 years, 8 months ago

CBSE > Class 09 > Mathematics

2 answers

Moorthy Vaira 4 years, 8 months ago

In figure o is the center of the circle<aoc=120°.find<ABC

0Thank You

Prince Chouhan 4 years, 8 months ago

Area of triangle = 1/2×b×h 216= 1/2×24×h 216= 12×h 216/12= h 18 = h = CA Now, By pythagoras= AB^2=AC^2+CB^2 =18^2+24^2 = 324 +576 = 900 AB =√900= 30 Perimeter. = AB+BC+CA = 30 +24+18 = 72 m

1Thank You

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CBSE > Class 09 > Mathematics