11 P5.AP.JM.17083142
Level 2
Each of the figure is made up of four identical right-angled triangles. The shortest side of each triangle is 5 cm. The perimeter of each triangle is 21 cm. Find the perimeter of
  1. Figure 1
  2. Figure 2
3 m
Right-angled triangle
12 P5.AP.JM.17083107
Level 3
ABC is a right-angled triangle. 4 such identical triangles are used to form the Square WXYZ. Find the length of each side of the big Square WXYZ.
3 m
Square Square & square root Right-angled triangle
13 P5.AP.JM.17083200
Level 3
The figure shows two identical right-angled triangles overlapping each other. Find the area of the shaded part.
3 m
Right-angled triangle Overlapping area
14 P5.AN.JM.17083118
Level 3
In the diagram shown, ABC is a right-angled triangle and AB = BC = AD. Find
  1. ∠DAC
  2. ∠ADB
4 m
Isosceles triangle Right-angled triangle Angles sum of triangle
15 P5.AP.JM.17083194
Level 3
4 identical right-angled triangles are used to form a square as shown.
  1. What is the area of square ABCD?
  2. What is the length of Square ABCD?
4 m
Square Right-angled triangle Composite figure area

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