Answer:
B. 103°
Step-by-step explanation:
Supplementary angles add up to 180°, so we can find the measure of angle 2 by subtracting 77 from 180
180 - 77
= 103
So, m∠2 is 103°
Answer:
1/1080
1/3
y=cos(x/3)
Step-by-step explanation:
just did it
Answer:
B
Step-by-step explanation:
Got it right on edge, plz mark brainliest
Answer:
Step-by-step explanation:
Given
The given system is 
can be represented by
The given system is consistent when determinant of A is not equal to zero
i.e. system is consistent for all value of k except 
Consider, in ΔRPQ,
RP = R (Radius of larger circle)
PQ = r (radius of smaller circle)
We have to find, RQ, by Pythagoras theorem,
RP² = PQ²+RQ²
R² = r²+RQ²
RQ² = R²-r²
RQ = √(R²-r²
Now, as RQ & QS both are tangents of the smaller circle, their lengths must be equal. so, RS = 2 × RQ
RS = 2√(R²-r²)
