Find the measure of ∠ECB. Circle A is intersected by line CD at points D and E and line CB at point B, forming angle ECB outside
of the circle, the measure of angle ECB is x plus 10 degrees, arc EB is 6x plus 6 degrees, and arc DB 146 degrees.
2 answers:
Answer:
its 45
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
The measure of the external angle is the semi-difference of the arches it covers
so
In this problem

substitute the given values

solve for x

Find the measure of ∠ECB
substitute the value of x

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Arc AC would be 90 degrees because the line is bisects the straight line (180 Degrees)
Answer: 90 Degrees
Answer:
10÷20= 0.5
10×20=200
10+20=30
Answer:
238 D
Step-by-step explanation:
238 lol. 34 times 7 is 238
Answer:
-25
Step-by-step explanation:
2x + 50 = 0
2x = 0 - 50
= -50
x = -50 / 2
= -25
<em>Hope this helps</em>
<em>:D</em>
<span>100. Since 10 shirts x 2 slacks means 20 combos with one tie and 100 with 5 ties</span>