Areas - Data Intensity 1 Multiple Questions and Answers.




26.Area of a square with side x is equal to the area of a triangle with base x. The altitude of the triangle is:________?
A. x/2
B. x
C. 2x
D. 4x

27.If the diagonal of a square is doubleHow does the area of the square change?
A. Becomes fourfold
B. Becomes threefold
C. Becomes twofold
D. none of the above

28.If the base of rectangle is increased by 10 % and the area is unchanged then the corresponding altitude must be decreased by:________?
A. 9.09%
B. 10%
C. 11%
D. 11.11%

29.The length of a rectangle is twice its breadth, if length is decreased by 5 cm and the breadth is increased by 5 cm. The length of the rectangle is_________?
A. 20 cm
B. 30 cm
C. 40 cm
D. 50 cm

30.A rectangle has 15 cm as its length and 159 cm2 as its areIts area is increased to 1 1/3 times the original area by increasing only its length its new perimeter is:_________?
A. 50 cm
B. 60 cm
C. 70 cm
D. 80 cm

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