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

Related Maths 11 Plus answers

All answers ▸

What is 2/7 of 70


y = x^2 + 3x + 2 = 0


The length of a regular 9 sided shape is 4cm, what is the perimeter of the shape?


Solve this quadratic equation by factorising: x^2-x-6=0