Mensurationmedium · Past Paper
The base of a triangle is 4 times its height. If area is 50 sq. cm, find height.
A5 cm
B20 cm
C10 cm
D2.5 cm
✓ Correct Answer: A — 5 cm
0.5 * 4h * h = 50 => 2h^2 = 50 => h^2 = 25 => h = 5 cm.
Share this question
More from Mensuration
- A cylindrical tank has a capacity of 6160 cubic m. If its depth is 10 m, find the cost of painting its inner curved surface at Rs. 2.50 per sq. m.
- The diameter of a copper sphere is 18 cm. It is drawn into a wire of diameter 4 mm. Find the length of the wire.
- A metallic sphere of radius 10.5 cm is melted and then recast into small cones, each of radius 3.5 cm and height 3 cm. Find the number of cones.
- Find the volume of a cone if its base diameter is 10 cm and height is 12 cm.
- Three cubes of sides 3cm, 4cm and 5cm are melted to form a single cube. Find the total surface area of the new cube.