Math, asked by Ashutosh4002, 1 year ago

find the area of an isosceles triangle whose ewual sides are 12 cm each and the perimeter is 30 cm.

Abhirajbansal0305: 9 Under root 15 cm square

Answers

Answered by sjdcdgjdjd

the area of an isocelles triangle isA=40.25

Ashutosh4002: can you pls send the whole process

Answered by Aj500

question is wrong , please attach new

Ashutosh4002: can you pls help me in the whole exercise. I will send a pic of this page and you pls dolve the whole .

awesomenessnand: This question is right. U have to take out the third angle by cos rule used in a non-right angle triangle. This is a²=b²+c²-2ab×cosA. Then u use the formula of 1/2 a×b×sin C to find its area

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