CIRCLES 1

If O is the centre of the circle, find m and n. (diagram not to scale)

Solution

m = 90⁰. [Angle inscribed in a semi-circle=90⁰]

In ∆UTV;

m+n+44⁰ = 180⁰ [total degrees in a ∆ ]

90⁰+n+44⁰ = 180⁰

n+134⁰ = 180⁰

n = 180⁰ - 134⁰

n = 46⁰

Hence n = 46⁰, m = 90^{0  .}

TRY THIS…………..

If O is the centre of the circle, find m and n. (diagram not to scale)