Year 10 Maths - Sep 2022 onwards Flashcards
1
Q
What is a diameter?
A
The diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circumference of the circle.
2
Q
What is a radius?
A
The distance from the center to the circumference of a circle. It is half of the circle’s diameter.
3
Q
What is the formula for area of a circle?
A
Area = π (pi) × r2
4
Q
What is the formula for the perimeter of a circle?
A
C= 2π (pi) x r
