Algebraic Expressions in Perimeter of Polygons

Q. The perimeter of a rectangle is equal to 250 cm. If the length of the rectangle = 70 cm, then find its breadth.

1. 25cm
2. 35cm
3. 75cm
4. 55cm

Q.

Find the perimeter of a square whose side has a length of 2.25 m.

1. 225cm

2. 9m

3. 3m

4. 900cm

Q. The perimeter of a square = 2016 cm. Find the length of each side of the square.

1. 0.504m
2. 5.04m
3. 504m
4. 50.4m

Q. The.perimeter of an isosceles triangle is $32cm$. The ratio of the equal side to base is $3:2$. Find the area of the triangle.

1. $12\sqrt{2}c{m}^2$
2. $16\sqrt{2}c{m}^2$
3. $22\sqrt{2}c{m}^2$
4. $32\sqrt{2}c{m}^2$

Q. The perimeter and breadth of a rectangle are 84 cm and 8 cm respectively. Find the length of the rectangle.

Q. The perimeter of an isosceles triangle is equal to 2019 cm. If the length of its base = 519 cm, the find the length of each of the other (equal) sides of the triangle.

1. 1500cm
2. 750cm
3. 800cm
4. 1019cm

Q. The perimeter of an isosceles triangle is $42$ $cm$ and its base is $\left(3/2\right)$ times each of the equal sides. Find the length of each side of the triangle, area of the triangle and the height of the triangle.

Q. The perimeter of a rectangular field is $151m$. If its breadth is $32m$, find its length and area.

Q. If $x=2,y=5andz=4$ Find the value of:
(i) $\frac{x}{2x^2}$

(ii) $\frac{xz}{yz}$

(iii) $z^x$

(iv) $y^x$