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Question

Mathematics Question on Area of a Triangle

Find the area of each of the following triangles:
list of triangles

Answer

Area  of  triangle=12×Base×HeightArea \;of\; triangle = \frac{1}{2} \times Base \times Height

(a) Base=4  cm,  height=3  cmBase = 4 \;cm, \;height= 3 \;cm

Area=12×4×3Area = \frac{1}{2}\times4\times3

= 6  cm26\; cm^2


(b) Base=  5cm,  height=3.2  cmBase = \;5 cm, \;height= 3.2 \;cm

Area=12×5×3.2Area = \frac{1}{2}\times5\times3.2

= 8  cm28\; cm^2


(c) Base=4  cm,  height=3  cmBase = 4 \;cm,\; height= 3\; cm

Area=12×4×3Area = \frac{1}{2}\times4\times3

= 6  cm26\; cm^2


(d)Base=3  cm,  height=2  cmBase = 3\; cm, \;height= 2\; cm

= 12×2×3\frac{1}{2}\times2\times3

= 3  cm23\; cm^2