Answer:
Area of circle = 254.34 m²
Step-by-step explanation:
Area of circle = π×r²
Area of circle = 3.14 x 81
254.34
Explanation:
I took the quiz.
Answer:636
Step-by-step explanation: I just kno
Size of Interior angle = 180° - 360°/n, where n is the number of sides of the regular polygon.
We have 180° - 360°/n = 160°.
=> 360°/n = 20°, n = 18.
Therefore it is a 18-sided regular polygon.
A is the answer
4/1>5/2 because
when solved 4>2.5
