AREA PERIMETER

326 P5.AP.NK.23041223

Level 2
The figure is made up of three triangles, ABC, XYZ and DEF not drawn to scale. The area of triangle XYZ is six times the area of triangle ABC. The area of triangle ABC is ¹₃ of triangle DEF. The area of triangle ABC is 12 cm². What is the total area of the shaded parts?

2 m

Attempt

327 P6.AP.JC.22050403

Level 3
In the figure, ABC and ADE are right-angled isosceles triangles. BD = CE = 2 cm. The shaded area is 22 cm². Find the length of AC.

2 m

Attempt

Length Isosceles triangle Right-angled triangle Overlapping area

328 P4.AP.JM.17100152

Level 2
The circumference of a circular walking path is 720 m. 9 stools are placed along the path at an equal distance. Find the distance between any 2 stools.

2 m

Attempt

Circle Circumference Intervals

329 P6.AP.TL.17090785

Level 3
Two identical right-angled triangles overlap each other as shown. Find the area of the shaded part.

2 m

Video Attempt

Rectangle Right-angled triangle Overlapping area

330 P6.AP.TL.17090759

Level 2 PSLE
The shaded figure is formed by two identical circles with centres at A and C. ABCD is a square and the length of AB is 7 cm. Find the perimeter of the shaded figure. (Take π = ²²₇)