A rectangle is 12 cm long and 7 cm wide. What is its perimeter?
Answer and explanation
Correct answer: D. 38 cm
- Step 1: Perimeter = 2 x (12 + 7).
- Step 2: 2 x 19 = 38 cm.
Answer
38 cm.
Why not the others: 19 cm is half the perimeter, 84 is the area (12 x 7) and 48 is 4 x 12.
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