Measurement of Length
There are various units for the measurement of the length. These are metre, centimeters, kilometers etc. The standard unit for the measurement of the length is metre.
1 centimeter = 10 millimeters
1 metre = 100 centimeters
1 kilometer = 1000 meters
A rope is 45 centimeters long. What will be the length of the rope in millimeters?
(a) 450 millimeters
(b) 4500 millimeters
(c) 405 millimeters
(d) 504 millimeters
Answer (a)
Explanations-
1 cm = 10 millimeters hence, 45 cm = 450 millimeters
What will be the length of each equal side of a triangle, if the sum of the length of its three sides is 15 cm?
(a) 4cm
(b) 5cm
(c) 3cm
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