izzy749688 izzy749688

01-12-2019
Mathematics

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Question 5 - Give your answer in its simplest form

Question 5 Give your answer in its simplest form class=

Respuesta :

jimrgrant1 jimrgrant1

01-12-2019

Answer:

7.5 cm²

Step-by-step explanation:

Note that [tex]\sqrt{120}[/tex] = [tex]\sqrt{4(30)}[/tex] = 2[tex]\sqrt{30}[/tex]

Thus the side s of the square = 2[tex]\sqrt{30}[/tex] ÷ 4 = 0.5[tex]\sqrt{30}[/tex]

Hence

A = s² = (0.5[tex]\sqrt{30}[/tex])² = 0.25 × 30 = 7.5

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