GCSE Maths | Right-angled Triangles

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  • Only applies to right-angled triangles
  • Pythagoras theorem
    • a2 + b2 = c2 where c is the longest side
  • SOH CAH TOA (form pyramids)
    • sin(x) = O/H
    • cos(x) = A/H
    • tan(x) = O/A

Question 1

Question 2

Question 3

Question 4

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GCSE Maths | Frustrums

* volume of cone = 1/3 x π x r2 x h * volume of frustrum = volume of big cone - volume of small cone * the small cone and big cone are similar shapes * the
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GCSE Maths | Sectors

* Area of a sector = πr2 x (x/360o) * Arc length = 2πr x (x/360o) Question 1 Find the area of the sector Question 2 Find the radius of the sector Question 3 Find