Question

Three triangles are shown on the centimetre grid. A, B, C. A\ Which triangle has the largest area? B\ Work out the area of this triangle. Give your answer a.S a decimal.

Answer 1

A) = C

B) = 4.5 cm^2

Answer 2

A) The three triangles have the same area

B) 10 square units

Explanation:

In the figure attached, the triangles are shown.

A) The three triangles have the same area because all have the same base and height (see figure)

B) Area of a triangle = (1/2)*base*height

Area of a triangle = (1/2)*4*5 = 10 square units