A triangle has a base of 12 cm and a perpendicular height of 7 cm. What is its area?
Answer and explanation
Correct answer: D. , half of base times height
**Answer: . Why not the others:** 84 forgets the half; 19 adds instead of multiplying; 38 uses a perimeter-style sum.
- Step 1: Area of a triangle is .
- Step 2: .
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