An equilateral triangle has a side 2 cm. Calculate the height of the triangle.

MATHEMATICS
WAEC 2023

An equilateral triangle has a side 2 cm. Calculate the height of the triangle.

  • A. 5cm
  • B. \(\sqrt5\)cm
  • C. 3cm
  • D. \(\sqrt{ 3}\)cm

Correct Answer: D. \(\sqrt{ 3}\)cm

Explanation

using Pythagoras theorem

H = \(\sqrt{ 2^2 - 1^2}\)

= \(\sqrt{ 4 - 1}\)

= \(\sqrt3\)cm



Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *
Add Math
Don't want to keep filling in name and email whenever you make a contribution? Register or login to make contributing easier.