Related Questions

A triangle has a base x and an altitude y. A second triangle has a base twice the altitude of the first triangle, and an altitude twice the base of the first triangle. What is the area of the second triangle?
A 2xy
B 0.5xy
C 0.66xy
D 4xy
The area of a triangle is p sq.cm and its base is x cm. What is the height of the triangle (in cm) ?
A $$\frac{2p}{x}$$
B $$\frac{x}{2p}$$
C $$\frac{p}{2x}$$
D $$\frac{2x}{p}$$
The base of a triangle is twice its height, which is 5cm . What is the area , in square centimeters, of the triangle?
A 6.25
B 10
C 12.5
D 25
If a triabgle has base B and the altitude of the triangle is twise the base, then the area of the triangle is
A 1/2 AB
B AB
C 1/2B2
D B2
If the height of a right square pyramid is increased by 12%, by what percent must the side of the base be increased, so that the volume of the pyramid is increased by 28%?
A 3%
B 7%
C 10%
D 36%
The length of a rectangle is twice its breadth . If its length is decreased y 5 cm and breadth is increased by 5 cm , the area of the rectangle is increased by 75 sq. cm . Find the length of the rectangle.
A 20 cm
B 25 cm
C 30 cm
D Try your self
If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is-
A π2
B x
C 2x
D 3x
The[ triangular base of a prism is a right triangle of sides a and b = 2a . The height h of the prism is equal to 10 mm and its volume is equal to 40 mm3 , what will be the lengths of the sides a and b of the triangle ?
A 2 mm and 3 mm
B 1 mm and 4 mm
C 2 mm and 2 mm
D 2 mm and 4 mm
If the length of a rectangle is increased by 20% and the width of the same rectangle is decreased by 20% , then the area of the triangle--
A decreases by 20%
B decreases by 4%
C is unchanged
D increases by 20%
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
A Nine times
B Six times
C Four times
D Two times

Next steps