Area of Triangles WORKSHEET
Suitable for Year groups: Year 10, Year 11
GCSE Tier: Higher
Targeting grades: 6-7
Prerequisite knowledge: Sine rule, Cosine rule, rearranging formulae.
Learning Objective: Finding missing values using the Area = 0.5absinc formula
Area of Triangles WORKSHEET DESCRIPTION
This worksheet is great for learners wishing to practise using the 0.5absinC formula for finding the area of a triangle. It is also available with the added clues to add extra scaffolding.
Section A provides some straightforward questions involving finding the area when two sides and the included angle are given and one question where a side is to be found given the area. Section B provides some quadrilaterals of an unknown area.
Section C and an extension then provide some worded problems.
All worksheets are created by the team of experienced teachers at Cazoom Maths.
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Finding missing values using the Area = 0.5absinc formula