Question
What will be inradius of an equilateral triangle of side
2 cm?Solution
In equilateral triangle of side a, Inradius = a / (2 `xx` √3 ) = 2 /(2 `xx` √3 ) = 1 /√3 cm
Two tangents are drawn from an external point P to a circle with center O and radius r. If the distance between P and O is 2r, find the angle subtended ...
What is the perimeter of the square inscribed in a circle of radius 6 cm.
If the radius of a circle is 15 cm, then which of the following is true regarding the length of the chord (L)?
- In a circular field, the area is six times its circumference in terms of numerical value. Calculate the diameter of the field.
- The circumference of a circle is 176 cm while the length of the rectangle is 9 cm more than the radius of the circle. Find the perimeter of the rectangle i...
- The area of a circle is nine times its circumference (numerically). What is the diameter of the circle?
Find the length of the direct common tangent of two circles with radii 8 cm and 5 cm respectively, if the distance between their centres is 11 cm.
Find the area of the sector of a circle with radius 14 cm and central angle 90°.
A sector of a circle has a central angle of 90°. If the radius of the circle is 10 cm, what is the area of the sector?
Two chords of a circle 'PQ' and 'RS' crosses each other at an exterior point 'O'. Determine the length of the chord 'RS' if the chord PQ is 36 cm long, ...
