Answer:
89.0°
Step-by-step explanation:
The segment from the centre of the circle to the chord is a perpendicular bisector, hence
third side of right triangle = 12.7 ÷ 2 = 6.35
The angle subtended at the centre by arc CD is twice the angle subtended by the right triangle at the centre
The triangle from the centre to C is congruent to the triangle from the centre to D
Calculate the angle (Θ ) in the right triangle using the sine ratio
sinΘ = 
= 
Θ = 
( ) ≈ 44.5°
Hence
measure of CD = 2 × Θ = 2 × 44.5 = 89.0°
Answer:
I am so sorry i cant help i cant see it properly and i need the points
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
<span>With the information given, we can not find an answer by what angles are congruent, but we can find the sum. A triangle must have a sum of 180 degrees
so you can sum up all the choices and see which one does not equal 180
The answer is C
</span>A 180 This can be a triangle
B 180 This can be a triangle
C 182 This can NOT be a triangle
D 180 This can be a triangle
