Page 36 - CT&AI_CLasa_7_Part_1

7. If the base and height of a triangle and the 9. A scalene triangle is given, and two straight
length and breadth of a rectangle are equal, lines are drawn inside it in any direction. If
what can you say about the areas of both the triangle is divided along these two lines,
shapes? (Analytical Thinking) what is the maximum number of right-angled
triangles that can be created?
(a) The area of the triangle is half the (Algorithmic Thinking)
area of the rectangle.
(a) 2 (b) 3
(b) The area of the rectangle is double
the area of the triangle. (c) 4 (d) 1
10. Which of the following is not a valid method to
(c) The area of the rectangle is greater construct a triangle when the lengths of two
than the area of the triangle. sides and the included angle are given?

(d) All of the above (Critical Thinking)

8. Find the value of x in the given figure, if AD ⊥ (a) Using the given side and angle to
BC and AE is the bisector of ∠BAC. form two arcs and find the third
vertex.
(Logical Thinking)
A (b) Construct the given side and use
the angle to construct the adjacent
x
side using a set square.

(c) Construct the given side and angle,
50° 30°
B D E C then construct a perpendicular
bisector.
(a) 30° (b) 20°
(d) Construct a triangle using the two
(c) 10° (d) 60° sides and the angle between them
with a protractor.

A 4 x 4 grid is given. You need to place circles in some of the cells such ensuring
that no four circles appear in row, column, or diagonal. What is the maximum
number of circles that can any be placed in the grid?

(a) 10 (b) 11

(c) 12 (d) 13

34 Computational Thinking-7 (Mathematics)