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Primary - Stage 3 (Year 5 & 6) Stage 3 (Year 5 & 6) Length, Perimeter & Area

Area of triangles

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Question 1
185503
Two identical triangles are joined along a matching side to make a parallelogram with base \(b\) and perpendicular height \(h\). Which rule gives the area of one of those triangles?
A.
\(A = b \times h\)
B.
\(A = \dfrac{1}{2} \times b \times h\)
C.
\(A = 2 \times b \times h\)
D.
\(A = b + h\)
\(A = \dfrac{1}{2} \times b \times h\)

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