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
A square and an equilateral triangle each have sides of length 5. What is the ratio of the area of the square to the area of the triangle?
A 4/3
B √3/4
C 4/√3
D 4√3/3
An equilateral triangle is described on the diagonal of a square. What is the ratio of the area of the triangle to that of the square ?
A 2 : $$\sqrt 3 $$
B 4 : $$\sqrt 3 $$
C $$\sqrt 3 $$ : 2
D $$\sqrt 3 $$ : 4
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 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
If the circle with center O has area 9π, what is the area of equilateral triangle ABC?
A 93
B 123
C 18
D 24
If the in radius of the equilateral triangle is 8 cm then what is the value of circum radius (in cm) of the triangle?
A 8
B 16
C 18
D 20
ABC is an equilateral triangle. Points D, E and F are taken as the mid-point on sides AB, BC, AC respectively, so that AD = BE = CF. Then AE, BF, CD enclosed a triangle which is:
A Equilateral
B Isosceles triangle
C Right angle triangle
D None of these
For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates.
A Binary mixture is represented by the apex
B Binary mixture is represented by any point inside
C Ternery mixture is represented by the sides
D Pure component is represented by the apex
If a parallelogram with area P, a rectangle with area R and a triangle with area T are all constructed on the same base and all have the same altitude, then which of the following statements is false ?
A P = R
B P + T = 2R
C P = 2T
D T = $$\frac{1}{2}$$R

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