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12 questions from this quiz
Square units (e.g. cm², m²)
A=l×wA = l \times wA=l×w
A=b×hA = b \times hA=b×h
A=12bhA = \frac{1}{2}bhA=21bh
A=12(a+b)×hA = \frac{1}{2}(a+b) \times hA=21(a+b)×h
Using slanted side instead of height
Two triangles form a parallelogram
cm²
27 cm²
10.5 m²
Check units are consistent
Write down the formula
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