the hour hand on a clock has a length of 8 cm. Let the centre of the clock be at the origin (0,0) on a Cartesian grid.  Starting at 12:00pm, determine the exact coordinates (x,y) of the end point of the hour hand when it is 10:20pm. Round you answer to the nearest tenth

Two students are standing 15 feet apart. Between them is a wall. The angle of the student’s foot and the top of the wall is 20° and then 40° to the other student’s foot. How tall is the wall?  Round to the nearest hundredth.

Bailey installs solar panels in Saskatoon. She adjusts the angle to match the season. In winter, the angle of elevation for panels in Saskatoon is 75.8°. The panels are 2.21 m tall. The roof is flat. How tall should the supporting brace be? 2.21 m In spring and fall, the panels from Question 4 will tilt to meet the brace at a height of 1.92 m. Draw a diagram. What will the angle of elevation be for spring and fall? supporting brace