Answer: 120 cm.
Step-by-step explanation: Each triangle has 3 sides, and each side is 1 cm. Multiply the number of sides for one triangle by the total number of triangles. 3 x 40=120. The perimeter is 120 cm.
Number 41 is letter c I think tell me if it helps you
Answer:
7,854cm^2
Step-by-step explanation:
π50²=2500π
2500π=7853.98
4.5 • 10-5 = 40
2.4 • 10-2 = 22
Answer:
The center of a circle is the point from which the circumference is equidistant
Step-by-step explanation:
Radius of a circle is a line drawn from the center of the circle to the circumference.