A triangle has base 10 cm and height h cm. Its area is 20 cm². What is h?
Note
Use A = base × height ÷ 2. So 20 = 10h ÷ 2. Multiply by 2: 40 = 10h. Divide by 10: h = 4.
A triangle has base 10 cm and height h cm. Its area is 20 cm². What is h?
Use A = base × height ÷ 2. So 20 = 10h ÷ 2. Multiply by 2: 40 = 10h. Divide by 10: h = 4.