For the last missing box, I'd put 72.
Answer:
93%
Step-by-step explanation:
caculator
Yes it is the exact same thing
Answer:
Step-by-step explanation:
Using sines law for triangles,
⇒
⇒
⇒
⇒
⇒
⇒
Now sum of angles a Δ is 180°
A+B+C=180°
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hope it helps..
have a great day!!
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Answer:
x = 4
a = 79
b = 101
Step-by-step explanation:
Supplementary means equal to 180° after all angles are added together.
a=19x+3
b= 21x +17
(19x+3) + (21x +17) = 180
19x + 3 + 21x + 17 = 180
40x + 20 = 180
40x = 160
x = 4
a = 19(4)+3 = 79
b = 21(4) +17 = 101