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What is the area of an isosceles triangle with a base of 10 cm and equal sides o

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Question: What is the area of an isosceles triangle with a base of 10 cm and equal sides of 13 cm?

Options:

  1. 60 cm²
  2. 65 cm²
  3. 70 cm²
  4. 75 cm²

Correct Answer: 65 cm²

Solution: 

Using Heron\'s formula, s = (10 + 13 + 13) / 2 = 18. Area = √(s(s-a)(s-b)(s-c)) = √(18(18-10)(18-13)(18-13)) = √(18*8*5*5) = 60 cm².

What is the area of an isosceles triangle with a base of 10 cm and equal sides o

Practice Questions

Q1
What is the area of an isosceles triangle with a base of 10 cm and equal sides of 13 cm?
  1. 60 cm²
  2. 65 cm²
  3. 70 cm²
  4. 75 cm²

Questions & Step-by-Step Solutions

What is the area of an isosceles triangle with a base of 10 cm and equal sides of 13 cm?
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