Answer:
Step-by-step explanation:okay so it issevene
Answer:
see explanation
Step-by-step explanation:
Assuming you require the derivative of f(x) from first principles, then
f' (x) =
=
=
=
= ← cancel h on numerator/ denominator
= -
third angle = 80°
to find the third angle, add the 2 given angles and subtract from 180
third angle = 180° - (30 + 70 )° = 180 - 100 = 80°
the answer is 20 I believe (i'm so sorry if i'm wrong.)