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GSCE Mathematics Problem Solving Algebra Higher Tier. x. x - 5. Helping hand. x - 2. The perimeter of the shape is 54 cm , what length is x ?. Answer. Side + S ide = 2x Six horizontals = 2(x – 2) = 2x – 4 I nside verticals = 2 ( x – (x-5) ) = 10 2x + 2x – 4 + 10 = 54
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GSCE Mathematics Problem Solving Algebra Higher Tier
x x - 5 Helping hand x - 2 The perimeter of the shape is 54 cm , what length is x ?
Answer Side+ Side= 2x Sixhorizontals= 2(x – 2) = 2x – 4 Inside verticals = 2 ( x – (x-5) ) = 10 2x + 2x – 4 + 10 = 54 4x + 6 = 54 4x = 48 x = 12 cm