Angles C and D are supplementary. The meas of angle D is eight times the measure of angle C. What are angles C's and D's measurements?
1 Answer
Jul 1, 2018
Explanation:
#"the sum of two supplementary angles "=180^@#
#C+D=180#
#"given "D=8C" then"#
#C+8C=180#
#9C=180rArrC=180/9=20#
#angleC=20^@" and "angleD=8xx20^@=160^@#