The angle of the given ray is of x = 150º.
<h3>What is the angle of the ray?</h3>
The angle of the ray is given by the sum of the angles that compose the ray.
In this problem, the angles are of 65º, 40º and 45º, hence:
x = 65 + 40 + 45 = 150º
More can be learned about angles and rays at brainly.com/question/25770607
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the geometric mean is 20
the geometric mean of 2 numbers a and b is 
=
= 20
Answer:
v=21cm
Step-by-step explanation:
v= 63/3
v= 21cm
Answer:
x=9
Step-by-step explanation:
2x+10=28
2x=18
x=9
Because ABCD is an isosceles trapezoid, the angles A and D are congruent.
BA and CD are congruent (given) and AD is congruent to itself (reflexive property).
Then triangles BAD and CDA form a pair of SAS triangles, so they are congruent.
BD and CA are corresponding parts in those triangles, so they are congruent (CPCTC).