42

 PAGE: 58 SET: Exercises PROBLEM: 42

If the demenisions of rectangle are doubled,then the perimeter is doubled.

Observe the diagram of rectangle :

The rectangle is measures by .

The perimeter of the rectangle is .

a.

The new rectangle measures by .

Valid conclusion: The deminisions of rectangle are doubled.

b.

The perimeter of the new rectangle is .

Valid conclusion: The perimeter of rectangle are doubled, then the perimeter is doubled.

a. The statement is correct.

b. The statement is correct.

Valid conclusion: The perimeter of rectangle are doubled, then the perimeter is doubled.

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