Pierre is standing on the viewing deck of the Eiffel Tower, $300$meter above the ground. He looks down with an angle of depression of $40°$, to see Alain, at point $A$. He looks down a further $32°$ to see Bailee, at point $B$ What is the distance from Alain to Bailee?  (Approximate the answer to its nearest integer)

When you stand at the edge of the Grand Canyon at its deepest point and look horizontally across, the canyon is $498$ meter wide. To look down to the bottom of the canyon from the cliff edge above. you need to move your eyes through an angle of depression of $75°$. When your eyes are $1.5$ meter above the cliff edge, how deep is the Grand Canyon at this point? Answer to the nearest metre.

Find the value of $k$. If the area of the given triangle is $k {\mathrm{cm}}^2$. (Round answer to nearest tenth)

Find the value of $k$. If the area of the given triangle is $k {\mathrm{m}}^2$. (round answer to the nearest tenth)

Find the value of $k$. If the area of the given triangle is $k {\mathrm{cm}}^2$. (round answer to the nearest tenth)

Find the value of $k$. If the area of the given triangle is $k {\mathrm{cm}}^2$.  (round answer to the nearest tenth)

Find the value of $k$. If the area of the given triangle is $k {\mathrm{cm}}^2$. (round answer to the nearest integer)

Find the value of $k$. If the area of the given triangle is $k {\mathrm{cm}}^2$. (round answer to the nearest tenth)

Find the value of $k$. If the area of the given triangle is $k {\mathrm{cm}}^2$. (round answer to the nearest tenth)