The stick contacts the tree at $AB=7$ m above the ground; the depression angle at the contact is $30^\circ$. By alternat

Question

The stick contacts the tree at $AB=7$ m above the ground; the depression angle at the contact is $30^\circ$. By alternate angles, $\angle ACB$ equals—

Accepted Answer

$30^\circ$

Answer

$60^\circ$

Answer

$45^\circ$

Answer

$90^\circ$

The stick contacts the tree at AB=7AB=7AB=7 m above the ground; the depression angle at the contact is 30∘30^\circ30∘. By alternate angles, ∠ACB\angle ACB∠ACB equals—

The stick contacts the tree at $AB=7$ m above the ground; the depression angle at the contact is $30^\circ$ . By alternate angles, $\angle ACB$ equals—