১১৫৬৪
A circular garden with diameter of 20 meters is surrounded by a walkway of width 1 meter. What is the area of the walkway?
উত্তর
21πm 2
১১৫৬৫
The diagonal of a rectangle is √41 cm and its area is 20cm 2 . What is the perimeter of the rectangle?
উত্তর
18cm
১১৫৬৬
Which of the following equations does not represent a straight line?
উত্তর
সঠিক উত্তর নেই
১১৫৭০
If x is an integer and y = – 2x – 8, what is the least value of x for which y is less than 9?
উত্তর
-8