Question

A sexagesimal measure of 130°30' is equal in circular measure to
A.23pi/40
B.27pi/40
C.29pi/40
D.21pi/40

Answer 1

Answer:

we could not answer the question because it is of explation so we could not answer it we are so sorry ask any other questions sorry for not answering

Answer 2

Answer:

$d \div 90 = c \div \pi \div 2$

Note:-

1°=60'

1'=3600°

Process:-

D=130°30'

30'=1/2°=0.5°

D=130+0.5

D=130.5°

Use the above formula

130.5/90=2c/π

26.1/18=2c/π

261/180=2c/π

261×π/180×2=c

29π/40 =C

C=29π/40