A rectangle has a length of 10cm & a perimeter of 30cm. Find the width of the rectangle:
Maths / Geometry MCQs — Multiple-choice practice
- A. 5 cm
- B. 9 cm
- C. 10 cm
- D. 8 cm
Correct answer
5 cm
Explanation
Explanation Width =p/2-h P=30 H=10 W=30÷2-10=5cm w=5cm l Length 10 cm P Perimeter 30 cm Using the formula P=2(l+w) Solving forw w=P 2﹣l=30 2﹣10=5cm
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