Let equal sides a, base b. Perimeter: 2a+b=64. Altitude bisects base, so a2=162+(b/2)2. Substituting a=32−b/2 gives 1024−32b+b2/4=256+b2/4, so b=24. Area =21×24×16=192 cm2.
The altitude drown to the base of an isosceles triangle is 16 cm and it's perimeter is 64 cm what is the area of triangle?
Held on 26 Aug 2022 · Verified 13 Jul 2026.
240 cm2
140 cm2
180 cm2
192 cm2
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