Questions

From Worst to Best

1 P6.AG.JC.17080471

The perimeter of triangle A is equal to that of rectangle B.

Find the length of WX in terms of k.
If k = 3, find the area of rectangle B.

4 m

Attempt

Algebra in 1 variable Algebra simplifying Algebra substitution Length Area Perimeter Triangle Equal stage

2 P6.SP.TL.18012201

Arnold walked from his home to the library, which is 1.2 km away, at an average speed of 80 m/min. How many minutes did Arnold take to walk from his home to the library?

1 m

Attempt

DST triangle Average speed Unit conversion Duration

3 P6.AP.TL.17090702

PSLE
What is the area of triangle ABC as shown in the figure?

1 m

Attempt

Triangle

4 P6.AP.TL.17090703

PSLE
Robert cut out three identical right-angled triangles. He joined them to form the figure PQRS shown. RS = 12 cm and SP = 10 cm. The perimeter of the figure is 36 cm. Find the area of the figure PQRS.

1 m

Attempt

Right-angled triangle

5 P6.AN.NK.17052101

The figure shows 4 triangles. Find the sum of ∠m + ∠n + ∠h + ∠j + ∠k + ∠l.

1 m

Attempt

Vertically opposite angles Angles sum of triangle

6 P6.AG.JC.17080442

The perimeter of an isosceles triangle is (6k + 21) cm. The longest side is (2k + 7) cm. Find the length of one of the equal sides.

2 m

Attempt

Algebra in 1 variable Algebra simplifying Length Area Perimeter Triangle

7 P6.AG.JC.17080439

John used 3 rubber bands to form the sides of triangle ABC where AB = 8 cm, BC = x cm and AC = 2x cm. Bob stretches two of the elastic bands and enlarges triangle ABC. The sides BC and AC were stretched to 2 times its original length. What is the perimeter of the stretched triangle ABC?

2 m

Attempt

Algebra in 1 variable Algebra simplifying Length Area Perimeter Triangle Times as many

8 P6.AN.JC.17050719

The figure shows a rectangular piece of paper folded at corner C. Find ∠BAC.