Question

Quantity I: The total area of a Square and rectangle is 546 Sq
cm. The side of the square is 14
cm. What is the sum of the perimeter of square and rectangle, if length of the rectangle is 25 cm? Quantity II: The side of the equilateral triangle is equal to the diameter of the circle. The area of the equilateral triangle is 441√3 Sq
cm. Find the circumference of the circle?

Q: Answer-Quantity I: The total area of a Square and rectangle is 546 Sq cm. The side of the square is 14 cm....

Quantity I a2 lb 546 142 25b 546 196 25b 546 25b 546 196 25b 350, b 14 cm Perimeter of square 4a 4 x 14 56 cm Perimeter of rectangle 2 x l b 2 x 25 14 78 cm Required sum 56 78 134 cm Quantity II The area of the equilateral triangle 4413 Sq cm The area of the equilateral triangle 34 x a2 a2 441 x 4 Side a 21 x 2 42 cm The diameter of the circle 42 cm Radius r 21 cm Circumference of the circle 2r 2 x 227 x 21 132 cm