Question

Answer the following questions based on the shapes given below. 1) What is the perimeter of shape B? 2) Which shape's perimeter is less? Shape A or shape D 3) Area of which shape is more? 4) Area of which shapes are equal? 5) Which shape has equal perimeter and area? 10​

Answer 1

Answer:

1) The perimeter of a two-dimensional shape is the distance around the shape. It is found by adding up all the sides (as long as they are all the same unit). The area of a two-dimensional shape is found by counting the number of squares that cover the shape.

2) shape D

3) Rectangle l × w l = length w = width

4) A two-dimensional equable shape (or perfect shape) is one whose area is numerically equal to its perimeter. For example, a right angled triangle with sides 5, 12 and 13 has area and perimeter both have a unitless numerical value of 30

5) a right angle triangle

Answer 2

Given :  Figure

To Find :

1) What is the perimeter of shape B?

2) Which shape's perimeter is less? Shape A or shape D.

3) Area of which shape is more?

4) Area of which shapes are equal?

5) Which shape has equal perimeter and area?

Solution:

perimeter of shape B  = 2 (5 + 2)  = 14  units

Area = 5 * 2 = 10 sq units

perimeter of Shape A  =   7  + 3  + 2 * 2√2  

= 10 + 4√2 = 15.66 units

Area = (1/2)(7 + 3) * 2 = 10 sq units

perimeter of Shape D  =   4 x 4  = 16 units

Area of shape D = 4 * 4 = 16 Sq units

perimeter of Shape A  is Less than Shape D

Perimeter of Shape C  = 10 + 4√2 = 15.66 units

Area of Shape C = 2 ( 1/2) ( 5 + 7)* 1 = 12 sq units

Area of shape D is more

Area of A & B are Equal

Which shape has equal perimeter and area  - Shape D

Learn More:

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