Perimeter of Rectangle and Square

Perimeter of a rectangle is 28 cm. The width is 5 cm. The length is (a)  

Tags

CCSS.4.MD.A.3

Perimeter of a rectangle is 30 cm. The width is 7 cm. The length is (a)  

Tags

CCSS.3.MD.D.8

Find the perimeter of this rectangle:

• 10 m

• 10 cm²

• 10 cm

• 10 m²

Answer explanation

Tags

CCSS.4.MD.A.3

Is the perimeter of a square is correct?

• no, it is incorrect

• yes, it is correct

Answer explanation

To find the perimeter of any shape with straight sides, simply add together the length of all the sides.

Since square have all equal parts. (Semua sides sama) so the perimeter of a square is

= L + L + L + L

OR

the perimeter of a square is

=L x 4

Tags

CCSS.4.MD.A.3

Find the Perimeter of a square:

• 8 m²

• 8 m

• 8 cm²

• 8 cm

Answer explanation

Tags

CCSS.4.MD.A.3

Is the perimeter of the rectangle is correct?

• yes, it is correct

• no, it is incorrect

Tags

CCSS.4.MD.A.3

Can you find the perimeter of this square?

• no, we can not.

• yes, we can

Answer explanation

To find the perimeter of any 2D shape, we need to make sure all sides are closed NOT OPEN. (mesti semua garisan betamu INDA BOLEH PUTUS)

Tags

CCSS.4.MD.A.3

(a)  

Tags

CCSS.4.MD.A.3

(a)  

Tags

CCSS.4.MD.A.3

(a)  

Tags

CCSS.4.MD.A.3