WI Forward Mathematics: Geometry and Measurement 2

Question 1

What is the area of a triangle with a base of 10 cm and a height of 6 cm?

Accepted Answer

30 cm²

Answer

Area of a triangle = ½ × base × height = ½ × 10 × 6 = 30 cm².

Question 2

What is the total surface area of a cube with a side length of 3 cm?

Accepted Answer

54 cm²

Answer

A cube has 6 equal square faces; surface area = 6 × s² = 6 × 3² = 6 × 9 = 54 cm².

Question 3

What are the coordinates of the origin on a coordinate plane?

Accepted Answer

(0, 0)

Answer

The origin is the point where the x-axis and y-axis intersect, which is at coordinates (0, 0).

Question 4

How many lines of symmetry does a regular hexagon have?

Accepted Answer

6

Answer

A regular hexagon has 6 lines of symmetry — 3 connecting opposite vertices and 3 connecting midpoints of opposite sides.

Question 5

What is the circumference of a circle with a diameter of 10 cm? (Use π ≈ 3.14)

Accepted Answer

31.4 cm

Answer

Circumference = π × diameter = 3.14 × 10 = 31.4 cm.

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