Related Questions

The side length of a square inscribed inscribed in a circle is 2. What is the area of the circle shown at the right/
A π
B 2π
C πr2
D 22
In triangle PQR length of the side QR is less than twice the length of the side PQ by 2 cm. Length of the side PR exceeds the length of the side PQ by 10 cm. The perimeter is 40 cm. the length of the smallest side of the triangle PQR is:
A 6 cm
B 8 cm
C 9 cm
D 10 cm
A circle has an area of 45cm2. What is the radious of the circle?
A 3.78 cm
B 5.43 cm
C 3.21 cm
D 4.35 cm
If the difference between the circumference and diameter of a circle is 60 cm, then the radious of the circle is .
A 7 cm
B 9 cm
C 10 cm
D 14 cm
If the difference between the circumference and diameter of a circle is 60 cm , then the radious of the circle is-
A 7 cm
B 9 cm
C 10 cm
D 14 cm
If the radious of a circle is increased by 6%, then the area of the circle is increased by-
A 3.6 π
B 6.5 π
C 12.36 %
D 36 π
A circle whose center is at origin passes through point (4, 3). The length of the radious of this circle B is?
A 6
B 7
C 5
D 8
The hypotenuse of a right triangle is 2 centimeters more than linger side of the triangle. The shorter side of the triangle is 7 centimeters less than the longer side. Find the length of the hypotenuse.
A 13
B 15
C 17
D 19
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 right angled triangle , whose perpendicular sides measure 1.8 cm and 2.4 cm ,is inscribed in a circle. What is the circumference of the circle (in cm)?
A π
B 3π
C 2π
D None of these

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