Question Number 160504 by Tawa11 last updated on 30/Nov/21
Commented by Tawa11 last updated on 30/Nov/21
$$\mathrm{God}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir}. \\ $$
Commented by otchereabdullai@gmail.com last updated on 09/Dec/21
$$\mathrm{nice} \\ $$
Answered by som(math1967) last updated on 30/Nov/21
$$\boldsymbol{{w}}=\mathrm{90}−\mathrm{21}=\mathrm{69}° \\ $$$$\boldsymbol{{x}}=\mathrm{2}×\mathrm{69}=\mathrm{138}° \\ $$$$\boldsymbol{{y}}=\mathrm{360}−\mathrm{138}=\mathrm{222}° \\ $$$$\boldsymbol{{z}}=\mathrm{180}−\mathrm{69}=\mathrm{111}° \\ $$