Area of complex plane figures - class-X
Description: area of complex plane figures | |
Number of Questions: 14 | |
Created by: Amit Pandey | |
Tags: perimeter, area and volume perimeter and area area area and volume figures (two and three dimensional) measurements maths circumference and area of a circle |
Find the area of equilateral triangle inscribed in a circle of unit radius.
A square is inscribed in a circle of radius $7: cm$. Find area of the square.
The ratio of areas of square and circle is given n : 1 where n is a natural number. If the ratio of side of square and radius of circle is k :1, where k is a natural number, then n will be multiple of
A rectangular sheet of acrylic is 50 cm by 25 cm . From it 60 circular buttons, each of diameter 2.8 cm have been cut out. The area of the remaining sheet is
If one side of a square is 2.4 m. Then what will be the area of the circle inscribed in the square?
Size of a tile is $9$ inches by $9$ inches. The number of tiles needed to cover a floor of $12$ feet by $18$ feet is
A pentagon is made up of an equilateral $\triangle ABC$ of side length $2cm$ on top of a square $BCDE$. Circumscribe a circle through points, $A, D$ and $E$. The radius of the circle is
A copper wire when bent in the form of an equilateral triangle has an area of $121\, \sqrt3\, cm^2$. If the same wire is bent into the form of a circle, then the area enclosed by the wire is
The sides of a triangle are $5$, $12$ and$ 13$ units. A rectangle of width $10$ units is constructed equal in area to the area of the triangle. Then the perimeter of the rectangle is
Which of the following shapes of equal perimeter the one having the largest areas is
A square sheet of paper is converted into a cylinder by rolling it along its length. What is the ratio of the base radius to side of the square ?
A polygon has 44 diagonals, The number of its sides is
Four circular cardboard pieces of radii $7 cm$ are placed on a paper in such a way that each piece touches other two pieces. The area of the region enclosed between these pieces is
The ratio of the slant height of two right cones of equal base is 3 : 2 then the ratio of their volumes is