An architect is sketching a doorway the top of which is part of a circle of radius 50 in. the central angle is 100. how many inches long will the arc be? select from

43. 41/63
87. 19: 63
130 60/63
164 48/63

B

Step-by-step explanation:

100(PI/180) = 1.7453  

Length of arc = 50 x 1.7453 =87.265 inches  

87 inches (after rounding)

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.