Jesse collected data on the colors of the coats his classmates wore one day in February. He started a circle graph. Which equation will give the angle measure of the section for black?

A circle is divided into 3 sections by lines coming out from the center. Section 1 is labeled White, 90 degrees, and is the bottom right fourth of the circle. The angle created by its 2 lines is labeled w. Section 2 is labeled Brown, 210 degrees, and is the entire left side of the circle and part of the top right quadrant. The angle created by its 2 lines is labeled r. Section 3 is labeled Black, question mark degrees, and is the remaining part of the top right quadrant. The angle created by its 2 lines is labeled b.
CLEAR CHECK

m∠b = 360° – (m∠w + m∠r)



m∠b = (m∠w + m∠r) ÷ 2



m∠b = m∠w + m∠r



m∠b = 360° + (m∠w + m∠r)