4. Sophie is purchasing a yoga exercise ball that measures 42 cm in diameter. What is the closest to the volume of the exercise ball. 42 cm - 38,773 cubic cm ( 175 cubic cm 310,182 cubic cm KTD4336 cubic cm​

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two

htrhyjk

step-by-step explanation:

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if i'm not wrong, i would say that the third angle has (72) because the three sides of all triangles have 180 degrees and if we subtract 180 - 62 - 40 = (72) / but i'm not sure about 40 yd.

answer is 270 degrees: -

to convert radians to degrees you multiply by 180/π

9π/ 6 * 180 / π

=   9 * 180 / 6

= 9 * 30

=   270 degrees   answer