Question

joanna is buying a falg to decorate her room if she wants the flag that takes up the least amount of space which flag should she buy

Answer 1

Calculate the area of each triangle:

Area of a triangle: 1/2 x base length x heigth

A1 = 1/2 x 8 x 7 = 28

A2 = 1/2 x 9 x 6 = 27

She should buy the second flag (b)