Math, asked by yadavashutosh69, 1 year ago

If each side of A triangle is doubled then find the ratio of the area of the new triangle thus formed and the give triangle

Answers

Answered by ajayshotia
7
let the triangle is equilateral
and a be the side

area of triangle=√3/4a²
after double the side area =√3/4×(2a)²=√3a²
ratio=√3a²/√3/4a²=4:1

yadavashutosh69: any herons formula say nahi hoga Kaya
ajayshotia: no it is simple
yadavashutosh69: please solve with help of formula
ajayshotia: formula for area of equilateral triangle =√3/4a²
ajayshotia: ya fir area =1/2×base×height
yadavashutosh69: okk no .problem
ajayshotia: height=√3/2a
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