Nadia cuts a triangular kite from a rectangular sheet of cloth. The triangle has a base of 28 cm and a height of 15 cm. She sews a rectangular label measuring 4 cm by 5 cm onto the surface of the kite. What is the area of the kite that is NOT covered by the label?
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Worked Solution
Step 1: Find the area of the triangular kite.
Area = ½ × base × height = ½ × 28 × 15 = ½ × 420 = 210 cm²
Step 2: Find the area of the rectangular label.
Area of label = 4 × 5 = 20 cm²
Step 3: Subtract the label area from the kite area.
Uncovered area = 210 − 20 = 190 cm²
Answer: 190 cm²
Answer: 190 cm²
Correct answer: 190 cm²
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