Tangents and Angles in Circles
 Assume the lines that appear tangent are tangent, find the value of x. x = degrees  Assume the lines that appear tangent are tangent, find the value of x. x = degrees  Assume the lines that appear tangent are tangent, find the value of x. x = degrees  Determine whether a tangent line is shown. Yes No Not enough information  Use largest triangleX = 180∘ - 90∘ - 43∘ = 47∘ Isosceles triangle - base angles = º 90∘ Tangent to Circles Answer (round to nearest degree): x = Tips for solving for angles:•Triangles have 180∘•Quadrilaterals have 360∘•Radii are congruent•Triangles made with radii are isosceles•Tangents are perpendicular to radii Calculate the value for ?. º  90∘ Find the angle measure indicated. Assume that lines which appear to be tangent are tangent. 138∘ 90∘ Tangent to Circles Answer (round to nearest degree): x = Tips for solving for angles:•Triangles have 180∘•Quadrilaterals have 360∘•Tangents are perpendicular to radii.•Triangles made with radii are isosceles. Calculate the value for ?. ∘  Find the angle measure indicated. Assume that lines which appear to be tangent are tangent. º º º Tangent to Circles Tips for solving for angles:•Triangles have 180∘•Quadrilaterals have 360∘•Tangents are perpendicular to radii.•Triangles made with radii are isosceles.  Find the angle measure indicated. Assume that lines which appear to be tangent are tangent. º Tangent to Circles Tips for solving for angles:•Triangles have 180∘•Quadrilaterals have 360∘•Tangents are perpendicular to radii.•Triangles made with radii are isosceles.  Find the angle measure indicated. Assume that lines which appear to be tangent are tangent. 90º ? Tangent to Circles 114º ? 33º ?  Find the angle measure indicated. Assume that lines which appear to be tangent are tangent. 34º ? Tangent to Circles 90º ? º  Find the angle measure indicated. Assume that lines which appear to be tangent are tangent. º Tangent to Circles º º  Find the angle measure indicated. Assume that lines which appear to be tangent are tangent. º Tangent to Circles º |
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