The answer would be 15 but i am not sure what the problem says her answer is. if it is not 15 then her answer is wrong
Tangent always meets radius at 90° angle.
Angle ABC = 90° so Pythagoras' theorem applies.
r² + 4² = (r+2)²
r² + 16 = r² + 4r + 4
12 = 4r
r = 3
Answer:
I dont know
Step-by-step explanation:
how to answer that
Answer:
the constant is 2
Step-by-step explanation:
since 2 is alone without any variables
Answer:
m =
Step-by-step explanation:
Given
= ( cross- multiply )
6m = 21 ( divide both sides by 6 )
m = = ( = 3.5 in decimal form )