Question #79f13

1 Answer
Jim G.
Jan 31, 2018

#132^@#

Explanation:

#• " supplementary angles sum to "180^@#

#"add the parts of the ratio "4+11=15" parts"#

#"1 part "=180^@/15=12^@#

#rArr"4 parts "=4xx12^@=48^@#

#rArr"11 parts "=11xx12^@=132^@larrcolor(blue)"larger angle"#

#color(blue)"check "48^@+132^@=180^@#

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