18. Find the area of triangles whose base is 3m and height is 12 m.
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area of triangle 1/2 ×b×h
= 12×3×1/2
=18 m^2
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Answer:
18m^2
Step-by-step explanation:
Area of a triangle = 1/2× base× height
= 1/2×3×12
= 3/2×12
=3×6
= 18m^2
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