Answer:
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The measure of angle B is 132 degrees. A quadrilateral must add up to 360 degrees. You are given x and 3x-12. Half of a square's angles is 180. 4x-12 = 180 which x = 48.
Finally, you plug x in for 3x-12 and you get 132 degrees for B.
This assumes that DC and AB are of the same length
Answer:
1,298
Step-by-step explanation:
Step 1:
1,278 + 20
Answer:
1,298
Hope This Helps :)
Answer:
Step-by-step explanation:
substitution
2x(2)-3x+2
2(-5)(2)-3(-5)+2
-10(2)+15+2
-20+17
-3