HOTS Mathematics Primary 5 Area of Triangle

A rectangular garden is 18 m long and 12 m wide. A triangular flower bed is cut from one corner of the garden. The flower bed has a base of 6 m and a height of 8 m. What is the remaining garden area?

A 192 m²
B 168 m²
C 240 m²
D 108 m²
Show Worked Solution

Worked Solution

Step 1: Find the rectangle area. 18 × 12 = 216 m² Step 2: Find the triangle area using the correct formula. Area of triangle = ½ × base × height = ½ × 6 × 8 = 24 m² Step 3: Find the remaining area. 216 − 24 = 192 m²

Correct answer: 192 m²

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