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

3131 Views

See similar Maths 11 Plus tutors

Related Maths 11 Plus answers

All answers ▸

Express 3/(x+1) + 4x/(2x+5) as a single fraction.


There are 25 CDs in a box. A shop orders 14 boxes. How many CDs did the shop order?


When a price changes from £15 to £20. By how much percentage has the price changed?


A farmer has a field that he wants to give away to his two sons. When the field is divided into two, one of his son's field has an area of 18cm (squared), work out how much area of the field his other son will get


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