an isoscleses triangle has perimeter 30 cm and each of its equal sides is 12 cm find area of triangle
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(The area of the triangle is taken out by heron’s formula)
Semi perimeter = 30/2 = 15
Third side = 30-12*2
= 30-24
=6cm
√15(15-12)(15-12)(15-6)
√15(3)(3)(9)
√15(81)
√1215
√3*3*3*3*3*5
9 √15
Hope this helps you
Please mark this as the brainliest answer
Semi perimeter = 30/2 = 15
Third side = 30-12*2
= 30-24
=6cm
√15(15-12)(15-12)(15-6)
√15(3)(3)(9)
√15(81)
√1215
√3*3*3*3*3*5
9 √15
Hope this helps you
Please mark this as the brainliest answer
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