Geometric Area and Perimeter Problems

Geometric Area and Perimeter Problems

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers solving geometric problems involving rectangles, rhombuses, playgrounds, squares, polygons, hexagons, and square poles with footpaths. It demonstrates how to use area formulas and relationships between dimensions to find unknown lengths, widths, and sides. The tutorial also explains solving quadratic equations to determine these dimensions.

Read more

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the length of a rectangle is 2 cm more than its breadth and the area is 24 cm², what is the length of the rectangle?

7 cm

4 cm

5 cm

6 cm

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given a rhombus where one diagonal is 4 cm less than the other and the area is 30 cm², what is the length of the longer diagonal?

8 cm

6 cm

12 cm

10 cm

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A rectangular playground has an area of 420 m². If its length is increased by 7 m and breadth decreased by 5 m, what is the new length?

18 m

19 m

21 m

20 m

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sum of the areas of two squares is 400 m², and the difference in their perimeters is 16 m. What is the side length of the larger square?

16 m

12 m

14 m

18 m

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the exterior angle of a polygon with n sides is 500 more than that of a polygon with n² sides, what is the number of sides of the first polygon?

6

7

5

4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The side of one regular hexagon is 1 cm more than another, and the product of their areas is 243. What is the side length of the smaller hexagon?

1 cm

2 cm

4 cm

3 cm

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A square pole has a footpath of width 2 m around it, and the area of the footpath is 5/4 times that of the pole. What is the area of the pole?

81 m²

36 m²

49 m²

64 m²