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Heron’s Formula
Question 1
The area of a triangle with base 10 cm and height 6 cm is:
- A
60 cm²
- B
40 cm²
- C
20 cm²
- D
30 cm²
Question 2
If the area of a triangle is 24 cm² and its base is 8 cm, then its height is:
- A
4 cm
- B
5 cm
- C
8 cm
- D
6 cm
Question 3
Heron’s formula is used to find the area of a triangle when:
- A
Base and height are given
- B
Only angles are given
- C
All three sides are given
- D
Only one side is given
Question 4
If the sides of a triangle are 5 cm, 6 cm, and 7 cm, the semi-perimeter (s) is:
- A
9 cm
- B
12 cm
- C
10 cm
- D
8 cm
Question 5
The formula for area using Heron’s formula is:
- A
√(a² + b²)
- B
½ × base × height
- C
s(s − a)(s − b)(s − c)
- D
√[s(s − a)(s − b)(s − c)]
Question 6
Find the area of a triangle with sides 3 cm, 4 cm, and 5 cm.
- A
5 cm²
- B
7 cm²
- C
8 cm²
- D
6 cm²
Question 7
If the sides of a triangle are 10 cm, 10 cm, and 12 cm, the semi-perimeter is:
- A
15 cm
- B
14 cm
- C
16 cm
- D
18 cm
Question 8
The area of a triangle with sides 6 cm, 8 cm, and 10 cm is:
- A
20 cm²
- B
22 cm²
- C
30 cm²
- D
24 cm²
There are 8 questions to complete.