AOC=AOD+COD= 115⁰+60⁰= 175⁰
BOC=360⁰-115⁰-60⁰-130⁰=55⁰
BOD=60⁰+55⁰=115⁰
Sper ca te am ajutat!
m(∡AOB)+m(∡BOC)+m(∡COD)+m(∡AOD)=360°
m(∡AOC)=m(∡AOD)+m(∡COD)=115°+60°=175°
m(∡BOC)=360°-m(∡AOB)-m(∡COD)-m(∡AOD)
=360°-130°-60°-115°=55°
m(∡BOD)=m(∡BOC)+m(∡COD)=55°+60°=115°
