Multiple choice

The sum of circumference of a circle and perimeter of square is 380 cm. The diameter of circle is 70 cm. What is the sum of area of circle and square?

  1. 5450 sq. cm.

  2. 5220 sq. cm.

  3. 5080 sq. cm.

  4. Can't be determined

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Circle diameter = 70 cm so radius = 35 cm. Circumference = 2πr = 2 × 22/7 × 35 = 220 cm. Perimeter of square = 380 - 220 = 160 cm, so side = 40 cm. Area of circle = πr² = 22/7 × 35² = 3850 sq.cm. Area of square = 40² = 1600 sq.cm. Total = 3850 + 1600 = 5450 sq.cm.

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