Question : The length of the base of a triangle is 10 cm and its altitude from the same base is 8 cm. What is the area of the triangle?
Option 1: 30 cm2
Option 2: 40 cm2
Option 3: 50 cm2
Option 4: 80 cm2
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Correct Answer: 40 cm 2
Solution :
Base = 10 cm
Altitude = 8 cm
Area = $\frac{1}{2} \times \text {base} \times \text {altitude}$
Substituting these values into the formula, we get:
Area = $\frac{1}{2} × 10 × 8$
Area = $5 × 8$
Area = 40 cm
2
Hence, the correct answer is 40 cm
2
.
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