Geometryeasy · Past Paper
If all sides of a triangle are equal to 5 cm, its perimeter is:
A10 cm
B15 cm
C20 cm
D25 cm
✓ Correct Answer: B — 15 cm
Perimeter of an equilateral triangle is 3 * side = 3 * 5 = 15 cm.
Share this question
More from Geometry
- If angles in the same segment are given, they are always:
- The length of the angle bisector of angle A in triangle ABC is given by:
- In triangle ABC, the bisector of angle A meets BC at D. If AB=10, AC=14, and BC=6, find BD.
- A line segment joining any two points on the circumference of a circle is called:
- The sum of the altitudes of a triangle is _____ its perimeter.