281 P6.AN.NK.17051752
Level 3
In the figure, not drawn to scale, two rectangles, ABHI and GHJK overlap each other as shown. Given that AD // GF and CF // DE.
  1. Find ∠a.
  2. Find ∠b.
3 m
Rectangle Corresponding angles Interior angles Overlapping angles
282 P5.AP.JM.17083170
Level 2
The figure is made up of similar rectangles. Each rectangle measures 5 cm by 2 cm. Find the perimeter of the figure.
3 m
Rectangle Rectilinear figure Tiling Composite figure perimeter
283 P5.PC.JM.17083127
Level 3
A rectangle measures 20 cm by 16 cm. Its length and breadth are both increased by 25%. Find the percentage increase in its area.
4 m
Percent change by Area Perimeter Rectangle
284 P4.AP.JM.17100201
Level 3
A square of 1 cm is cut from each corner of a rectangle. What is the perimeter of the figure?
3 m
Square Rectangle Rectilinear figure Composite figure perimeter
285 P5.AP.JM.17083173
Level 2
The figure is made up of two identical rectangles and a square. Find the perimeter of the figure.
3 m
Square Rectangle Rectilinear figure Composite figure perimeter
286 P6.AP.TL.17090791
Level 3
The figure, not drawn to scale, is made up of semicircles in a rectangle ABCD. XY is the common baseline for all the semi-circles.
  1. Find the length of AB.
  2. Using the calculator π, find the perimeter of the shaded parts. Give the answer correct to 2 decimal places.
3 m
Length Rectangle Semicircle Composite figure perimeter D Place values D Round off
287 P5.PC.JM.17083126
Level 3
A rectangle is 25 cm long and 20 cm wide. Its length is now increased by 40% and its breadth is increased by 50%. Find the perimeter of the new rectangle.
4 m
Percent change by Area Perimeter Rectangle
288 P4.AP.JM.17100164
Level 3
The figure is made up of rectangle ABGH and square CDEF. What is the total length of BC and GF?
3 m
Length Square Rectangle Rectilinear figure Composite figure perimeter
289 P6.AN.NK.17052209
Level 3
A rectangular piece of paper is folded along the dotted line as shown. Find
  1. ∠a
  2. ∠b.
3 m
Rectangle Angles on a straight line Alternate angles Corresponding angles Interior angles Overlapping angles Folded figure
290 P5.PC.JM.17083113
Level 3
The length and the breadth of a rectangle are both decreased by 20%. By how many percentage will its area be decreased by?
4 m
Percent change by Percent change Area Perimeter Rectangle

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