In a right-angled triangle ABC, the legs are 2.5 cm 4 cm. Then the area of triangle ABC is equal to.
| April 29, 2021 | education
To calculate the area of a right-angled triangle, it is not necessary to find its height. The area of a right-angled triangle is equal to half the product of its legs (sides forming a right angle):
S∆ = 1/2 * a * b = 1/2 * 2.5 * 4 = 2.5 * 2 = 5 cm²
Answer: 5 cm²
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