Find the value of x if

m∠AOB = 4x – 2;
m∠BOC = 5x + 1; and
m∠COD = 2x + 14.

Simplify 6sin θsec θ. choices a) 6 tan θ b) 6 cos θ c) 6 cot θ d) 6

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle