supplementary angles add up to 180°.
x = measure of such angle
x + 20 = measure of her sibling.
since "x" has 20 less than her sibling, then clearly her sibling has to have 20 more than "x".
How do you write 2x in radical form
1 answer:
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Answer:
D
Step-by-step explanation:
Graph the points. Then count the units vertically and horizontally. See picture.
