((5)/(2)cm/2(3)/(4)cm)/(B)(3(3)/(5)cm)/((7)/(6)cm)

Total surface area of a cube whose side is 0.5cm is (1)/(4)cm^(2) (b) (1)/(8)cm^(2)(c)(3)/(4)cm^(2)(d)(3)/(2)cm^(2)

A hollow spherical metallic ball has an external diameter 6cm and is (1)/(2)cm thick.The volume of metal used in the ball is 37(2)/(3)cm^(3) (b) 40(2)/(3)cm^(3)(c)41(2)/(3)cm^(3)(d)47(2)/(3)cm^(3)

Each side of an equilateral triangle is equal to the radius of a circla whose area is 154cm^(2). The area of the triangle is (7sqrt(3))/(4)cm^(2)(b)(49sqrt(3))/(2)cm^(2)(49sqrt(3))/(4)cm^(2)(d)(7sqrt(3))/(2)cm^(2)

If the length of each side of an equilateral triangle of area 4sqrt(3)cm^(2), is 4cm(b)(4)/(sqrt(3))cm (c) (sqrt(3))/(4)cm(d)3cm

The sides of a triangle are 7cm,9cm and 14cm .Its area is 12sqrt(5)cm^(2) (b) 12sqrt(3)cm^(2)24sqrt(5)cm^(2)(d)63cm^(2)

The sides of a triangle are 6cm,11cm and 15cm. The radius of its incircle is 3sqrt(2)backslash cm(b)(4sqrt(2))/(5)backslash cm(c)(5sqrt(2))/(4)backslash cm(d)6sqrt(2)backslash cm

From a point within an equilateral triangle, perpendiculars drawn to the three sides are 6cm,7cm, and 8cm respectively.The length of the side of the triangle is 7cm(b)10.5cm (c) 14sqrt(3)backslash cm(d)(14sqrt(3))/(3)cm

The sides of a triangle are 3cm,4cm and 5cm. The area (incm2) of the triangle formed by joining the mid-points of the sides of this triangle is (3)/(4) (b) (3)/(2) (c) 3 (d) 6

The base of a right prism is a trapezium whose lengths of two parallels sides are 10cm and 6cm and distance between them is 5cm. If the heights of the prism is 8cm, its volume is (a) 320cm3 (b) 300cm3 (c) 310cm3 (d) 300.5cm3

triangleABC is right angled at B. BD is an altitude AD+4 cm and DC = 9 cm. what is the value of BD? (A) 5 cm (B) 4.5 cm (C) 5.5 cm (D) 6 cm