if the perimeter of an equilateral triangle is the same as that of a square and diagonal of the square is 12√2 find the area of a triangle
plz answer quickly
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1.732×64 is the area
hawkeye007:
can you plz type full procrdure
if the diagonal of a sq is 12√2cm then
a^2+a^2=12√2^2
2a^2=144×2
a^2=144
a=12
perimeter of sq =4×12=48
equilateral ∆each side=48÷3=16
ar∆=√3/4a^2
1.732/4×16^2
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