Level 2
The figure is made up of equilateral triangles. What is the least number of triangles should be shaded to form a symmetry with the dotted line?
2 m
Level 2
The figure is made up of a right-angled triangle and a rectangle. How many pairs of perpendicular lines are there in the figure?
2 m
Level 2
Find the perimeter of the figure.
2 m
Level 2
The figure shows a square ABEF and a rectangle BCDE. ∠ADE = 38°. Find ∠DAE.
2 m
Level 2
Every square in the figure is of side 1 cm. What is the area of the figure?
2 m