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3 years ago

15. In the diagram AB is parallel to CD. Calculate the value of a. NOT TO SCALE

Mathematics

1 answer:

VikaD [51]3 years ago

5 0

Same-side interior angles, which are shown here, are supplementary, which means that they add up to 180 degrees.

5a + a = 180

6a = 180

a = 30 degrees

Hope this helps! :)

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Step-by-step explanation:

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