Let <em>y</em> be the expression you want to differentiate:

Now,

Use the chain rule to differentiate both sides with respect to <em>x</em> :

Solve for d<em>y</em>/d<em>x</em> :



Answer:
its k haha
Step-by-step explanation:
Done u so like lengthy times width orr sum?
Answer:
x=86
Step-by-step explanation:
we know that all the angles in a triangle add up to 180 degrees.
if you add 74+20, you get 94. then, subtract 94 from 180 to get 86! sorry if this is wrong i tried my best T^T