In triangle ABC, BAC = 90 deg and AD is perpendicular to BC. If AD = 6cm and BD = 4cm, then the length of BC is
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Find the perimeter (in cm) of a semicircle of radius 14 cm.
Of the 3 numbers whose average is 64, the first number is 1/3 times the sum of other 2. The first number is
Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.
Find the HCF of 48, 92 and 140
Select the odd number from the given alternatives.
The surface area of a sphere is 5544 cm2. Find its diameter (in cm).
If (a+1a)2=3, then the value of a6-1a6 will be