Answer:
∠1 = ∠3 = 54°; ∠2 = 36°
Step-by-step explanation:
Each of the triangles is isosceles. Triangles opposite each other are congruent, so ∠2 is congruent to 36°.
∠2 and ∠3 are complementary, so ∠3 is 54°. Since ∠3 is congruent to ∠1, it, too, is 54°.
If

then by the product rule,

and by the chain rule,

which leaves us with

Alternatively, if you exclusively want to use the chain rule, you can carry out logarithmic differentiation:

By the chain rule, differentiating both sides with respect to <em>x</em> gives

Solve for <em>f'(x)</em> yields

just as before.
Answer:
No
Step-by-step explanation:
4^2+6^2=8^2?
16+36=64?
52=64?
No.