math 10-1 #5

Question

Answer 1

(5a)

Step 1:

Consider the dimensions of the door as  inches.

Width of the door is 22 inches and height of the door is 96 inches.

Convert the dimensions into centimetres.

Convert width of the door in centimetres.

Round to the nearest tenth decimal.

Width of the door in centimetres is 55.9 cm.

Step 2:

Convert height of the door in centimetres.

Round to the nearest tenth decimal.

Height of the door in centimetres is 243.8 cm.

The dimensions of the door is cm.

Solution:

The dimensions of the door is cm.

Answer 2

(5b)

Step 1:

From part (a): The dimensions of the door are cm.

Width of the door is 55.9 cm and height of the door is 243.8 cm.

Convert the dimensions into metres.

Convert width of the door in metres.

Width of the door in metres is 0.559 m.

Step 2:

Convert height of the door in metres.

Height of the door in metres is 2.438 m.

The dimensions of the door is m.

Solution:

The dimensions of the door is m.