AQA · Mathematics · 8300
GCSE Maths: Equations: angles and perimeter
Algebra · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths practice questions for Equations: angles and perimeter (Corbettmaths Video 114), and every card links back to the exact page it came from. Practice tests generate fresh variations of these questions, so the numbers change every attempt. Source material © Corbettmaths — used with attribution.
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How do you find the perimeter of a triangle given its three side lengths?
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Add all three side lengths together.
What is the formula for the perimeter of a rectangle with width w and length l?
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Perimeter = 2w + 2l (or 2(w + l)).
In a parallelogram, what is the relationship between opposite sides?
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Opposite sides are equal in length.
What is the defining property of an isosceles triangle?
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Two of its sides are equal in length.
If three child tickets cost £x each and five adult tickets cost £9 each, totaling £63, what equation represents this?
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3x + 5(9) = 63 or 3x + 45 = 63.
If Sarah is x years old, Thomas is 3 years older, and David is twice as old as Sarah, what is the total of their ages in terms of x?
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x + (x + 3) + 2x = 4x + 3.
If James has x pence, Hannah has 5 pence more, and Liam has 2 pence less, what is their total in terms of x?
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x + (x + 5) + (x - 2) = 3x + 3 pence.
What equation represents the mean of three values a, b, and c equaling 16?
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(a + b + c) / 3 = 16, or equivalently a + b + c = 48.
If a sandwich costs 75p more than a drink that costs £x, how much does a sandwich cost?
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£x + £0.75 or (x + 0.75) pounds.
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