Foundation Mathematics Primary 5 Area of Triangle

A triangular sail on a boat at Sentosa has a base of 8 cm and a perpendicular height of 5 cm. What is the area of the sail?

A 20 cm²
B 40 cm²
C 13 cm²
D 24 cm²
Show Worked Solution

Worked Solution

Step 1: Identify the base and perpendicular height. Base = 8 cm, perpendicular height = 5 cm Step 2: Apply the formula for the area of a triangle. Area = ½ × base × height Area = ½ × 8 × 5 Area = 4 × 5 Area = 20 cm² Answer: 20 cm²

Correct answer: 20 cm²

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