In ∆ XYZ, ∠ X = 700 , ∠ Y = 650 then find ∠ Z.
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Step-by-step explanation:
/_ x + /_ y + /_ z = 180⁰ (ASP of ∆)
70⁰+65⁰+ /_ z = 180⁰
135+ /_ z=180⁰
/_ z= 180⁰- 135⁰
/_ z = 45⁰
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