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26-06-2018
Mathematics

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8th question i think

8th question i think class=

Respuesta :

26-06-2018

Hey there! :)

You have to find the area of all of them and add it together.

Formulas:

Area of a square: l · w
Area of a triangle: (b · h) ÷ 2

Square -

l = 8
w = 8

8 × 8 = 64

Triangle -

b = 8
h = 6

(8 × 6) ÷ 2
48 ÷ 2 = 24

There are 4 triangles

24 × 4 = 96

96 + 64 = 160

The surface area ⇒ 160 cm²

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