just use a calculator next time then
Answer:
= 30.144 km²
Step-by-step explanation:
Area of a sector is given by the formula;
θ/360 × πr², where θ is the angle subtended by the arc to the center of the circle, and r is the radius.
Area = 54/360 × 3.14 × 8 × 8
= 30.144 km²
The Answer is 8 because you take 28 and multiply 4, then you subtract 32, and lastly, you divide by 10 and you get 8.
Number 1.) - I think it is D.
Number 2.) B
Number 3.) A or B I am not sure.
Can I get marked as brainllest Please?
Answer:
36 degrees
Step-by-step explanation:
An exterior angle of a regular decagon has a measure of 36 degrees. We know this because the total measure of all the angles is 360 and a decagon has 10 sides, so each angle is 360/10 which is 36