11 P4.AN.JM.17092804
Level 2
In the figure, AB is perpendicular to BC. ∠ABD is twice as large as ∠CBD. Find ∠ABD.
2 m
Right angle Model Times-as-many Units method
12 P4.AN.JM.17092874
Level 1
How many of the marked angles are less than 90°?
2 m
Estimation of an angle Right angle More than or less than
13 P4.AN.JM.17092875
Level 1
How many of the marked angles are more than 90°?
2 m
Estimation of an angle Right angle More than or less than
14 P4.AN.JM.17092829
Level 2
Through what angle has the hour hand turned from 5 p.m. to 2 a.m. next day?
2 m
Right angle Compass Time
15 P4.AN.JM.17092821
Level 2
How many right angles would a minute hand have moved if it moved from 2.30 p.m. to 3.15 p.m.?
2 m
Right angle Compass Time
16 P4.AN.JM.17092822
Level 2
Amy starts her piano class at 6 o'clock in the evening. She ends her lesson at 7 o'clock on the same evening. How many right angles will the minute hand make at the end of the lesson?
2 m
Right angle Compass Time
17 P4.ME.JM.17100369
Level 2
It is 5.15 p.m. now. If the minute hand turns through 3 right angles in the clockwise direction, what time will it be?
2 m
am pm Duration Right angle
18 P4.AN.JM.17092834
Level 2
ABCD is a rectangle. Find ∠c.
2 m
Right angle Rectangle
19 P4.AN.JM.17092835
Level 2
The figure is not drawn to scale. WXYZ is a rectangle. ∠d is 10° and ∠e is 30°. ∠f is the sum of ∠d and ∠e. Find ∠VXU.
2 m
Right angle Rectangle
20 P4.AN.JM.17092864
Level 2
The figure shows a rectangle. What is the sum of ∠a and ∠b?
2 m
Right angle Rectangle

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