If the base and height of a triangle are in the ratio of 2:5 and area is 125 cm2. Find its base and height.
Let the base and the height of the triangle be 2x and 5x respectively According to the question Area of Triangle = 1/2 ×Base ×Height = 125 cm2 1/2 ×2x ×5x = 125 x=5 cm Therefore, Base =10 cm and Height = 25 cm.
In ∆ABC , G is the centroid , AB = 5 cm, BC= 6 cm and AC = 7 cm , find GD, where D is the mid-point of BC?
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