A. (-1,-2)
Because:
x + y = -3
-1 + (-2) = -3
-3 = -3
x - y = 1
-1 - (-2) = 1
-1 + 2 = 1
1 = 1

A. Area of given figure = 280 + 77 = 357 cm²
B. length of semicircle = 22 cm
Answer:
2700!
Step-by-step explanation:
hope that helped <3
Answer:
Thx and to give brainliest there has to be 2 answers, and once they are there, you click on an icon witha crown to give Brainliest. Hope you pick me TwT
Step-by-step explanation:
1) Given
2) Adding segments AB and BC together gives AC (Addition postulate, not too sure about the terminology)
3) Segment Addition postulate
4) Segment Addition postulate(Knowing that AC=BD, the distance between BC and CD add up to BD, shown in #3. AB and BC add together to give AC)
5) Subtraction property of Equality
Hope I helped :)