Question

Question 5 - Give your answer in its simplest form

Answer 1

7.5 cm²

Explanation:

Note that
`√(120)` =
`√(4(30))` = 2
`√(30)`

Thus the side s of the square = 2
`√(30)` ÷ 4 = 0.5
`√(30)`

Hence

A = s² = (0.5
`√(30)`)² = 0.25 × 30 = 7.5