The following figures are not drawn to scale but AB and CD (if present) are straight lines. Find x:
1 answer:
Answer:
x = 60°
Step-by-step explanation:
From the figure and the fact that AB and CD are straight lines we can see that:
30° + 2x + ∠DOB = 180° (eq. 1)
x + ∠DOB = 90° (eq. 2)
Subtracting equation 2 to equation 1 we get:
30° + 2x + ∠DOB - (x + ∠DOB) = 180° - 90°
30° + x = 90°
x = 90° - 30°
x = 60°
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Give 5 stars and brainliest answer if this helped please!
21.3 is the correct answer.
Your answer is C.
Hope this helped.