Adaptive Practice
Heron's Formula
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Question 1 of 10
⏱ 0:30
Easy
What is the formula to find the semi-perimeter (s) of a triangle with sides a, b, and c?
Easy
Using Heron's formula, what is the area of a triangle with sides 3 cm, 4 cm, and 5 cm?
Easy
If the sides of a triangle are 7 cm, 8 cm, and 9 cm, what is the semi-perimeter?
Medium
A triangle has sides 13 cm, 14 cm, and 15 cm. Find its area using Heron's formula.
Easy
Which of the following is NOT required to use Heron's formula to find the area of a triangle?
Medium
A triangular plot has sides measuring 50 m, 120 m, and 130 m. Calculate its area using Heron's formula.
Medium
If the semi-perimeter of a triangle is 15 cm and its sides are 9 cm, 10 cm, and 11 cm, what is the area?
Medium
A triangle has sides in the ratio 3:4:5 and its perimeter is 36 cm. What is its area?
Medium
A triangle has sides 8 cm, 15 cm, and 17 cm. Find its area using Heron's formula.
Hard
A triangle has sides 7 cm, 24 cm, and 25 cm. Calculate the area using Heron's formula and verify if it is a right-angled triangle.