Foundation Mathematics Primary 5 Area of Triangle

A right-angled triangular canvas banner for the National Day concert has a base of 10 cm along the bottom edge and a perpendicular height of 6 cm rising from one end. Find the area of the banner.

A 16 cm²
B 30 cm²
C 60 cm²
D 11.66 cm²
Show Worked Solution

Worked Solution

Step 1: Identify the base and the perpendicular height. Base = 10 cm; perpendicular height = 6 cm (the height is at right angles to the base). Step 2: Apply the triangle area formula. Area = ½ × base × perpendicular height = ½ × 10 × 6 = 30 cm². Final answer: area = 30 cm². Answer: 30 cm²

Correct answer: 30 cm²

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