#1 23,710 #2 23,715 #3 23,751
Answer: b. 180
Step-by-step explanation:
The sum of the angles of a triangle is 180°.
Answer:
No
Step-by-step explanation:
No because the measure of two sides are always greater than the third side
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Answer:
2,-1.5
Step-by-step explanation:
To find the midpoint of a line segment, take the average of the x coordinates and y coordinates of the two points that make it up.

=

=2,-1.5
1/2r+2(3/4r-1)=1/4r+6
2r-2=1/4r+6
2r=1/4r+8
7/4r=8
7r=32
r=32/7