Question
Which two signs should be interchanged to make the below
equation mathematically correct? 9 ÷ 3 + 6 – 6 × 2 = 30Solution
The correct answer is B
In a circle of radius 7 cm, the area of a sector is 77 cm². Find the angle of the sector and the length of its arc. (Take π = 22/7)
A circle touches all four sides of a quadrilateral. If AB = 18 cm, BC = 21 cm, and AD = 15 cm, then what is the length of CD?
If the angle of a sector of a circle is 450 & its radius is 14cm , find the area of this sector?Â
- The numerical value of the area of a circular park is ten times the numerical value of its perimeter. Find the diameter of the park.
In a circle, two chords AB & CD are produced at P which is outside the circle . If PA= 18 cm, AB= 12 cm , PC = 6 cm then find CD.
- The area of a circle is nine times its circumference (numerically). What is the diameter of the circle?
A semicircle has a radius of 7 cm. What is the perimeter of the semicircle?
- The circumference of the circle is 154 cm while the length of the rectangle is 15 cm more than the radius of the circle. Find the perimeter of the rectangl...
- Find the area of a circle whose radius is (3/4)ᵗʰ of the side of a square whose area is 1,600 cm². (Use π = 3.14)
A chord is 24 cm long and distance from center is 7 cm. Find radius.