danica

4 Questions
0 Answers

0

1105

1

+16

4. An 8 m ladder leaning against a wall reaches a height of 7 m up the wall. [a] What angle with the ground does the base of the ladder make? [b] Use

4. An 8 m ladder leaning against a wall reaches a height of 7 m up the wall. [a] What angle with the ground does the base of the ladder make? [b] Use trigonometry to find the distance from the base of the wall to the base of the ladder. [c] What other method read more ..

danica Jan 12, 2016

0

941

1

+16

A lighthouse is 75 m tall. The captain of a small boat drops anchor offshore from the base of the lighthouse. The lighthouse keeper measures an angle of

A lighthouse is 75 m tall. The captain of a small boat drops anchor offshore from the base of the lighthouse. The lighthouse keeper measures an angle of depression of 22 from the top of the lighthouse to the boat. How far is the boat from the base of the read more ..

danica Jan 12, 2016

0

736

1

+16

From the top of a hill 32.6 m high, the angle of elevation to the top of a TV relay tower is 13 0 . The hilltop is 50.3 m from the tower. Determine the height

From the top of a hill 32.6 m high, the angle of elevation to the top of a TV relay tower is 13 0 . The hilltop is 50.3 m from the tower. Determine the height of the tower.

danica Jan 12, 2016

0

672

1

+16

A skateboarder wants to build a launch ramp, using a sheet of plywood 140 cm long for the angled surface of the ramp. She reads that the angle between the

A skateboarder wants to build a launch ramp, using a sheet of plywood 140 cm long for the angled surface of the ramp. She reads that the angle between the ground and the riding surface should be 25. How high will the ramp be from ground to its top edge? read more ..

danica Jan 12, 2016