If the base of an equilateral triangle is 3cm, and the height is 5cm, what is the area?

Area of a triangle = 1/2 x base x height
3 x 5 = 15cm1/2 of 15 = 7.5
Area = 7.5cm2

Answered by Maths tutor

3038 Views

See similar Maths 11 Plus tutors

Related Maths 11 Plus answers

All answers ▸

Two identical cuboids have dimensions of 4cm by 6cm by 12cm. What is their combined volume?


Nine-thousand five-hundred and forty-two people attend a pop concert. Round this number to the nearest hundred.


A sunflower is one hundred and fifty centimetres tall. How tall will it be if its height increases by ten per cent?


Solve: 5x - 11 = 3x +3 for x


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning