A triangle has sides 5 cm, 12 cm, and 13 cm. What is its area?
Q1. A triangle has sides 5 cm, 12 cm, and 13 cm. What is its area?
Answer: 30 square cm
Explanation: This is a right triangle because 5 squared plus 12 squared equals 13 squared. Area is one half times 5 times 12, which is 30 square cm.