perform the following conversions 428 cm to hm 2748 yd to km 7 0 m to
Perform the following conversions:
- 428 cm to hm
- 2748 yd to km
- 7.0 m to ft
Calculate the surface area of a rectangular prism which is 2 cm × 4 cm × 6 cm
Calculate the volume of this figure.
Calculate the height of a lean-to roof that has a slanted height of 325 cm and an angle of elevation of 22°. Round your answer to the nearest cm. Include a diagram.
Calculate the length of a staircase that is 3.2 m high, and has a slanted height of 4.7 m. Round your answer to one decimal place. Include a diagram.
A lifeguard spots a swimmer in the lake at an angle of depression of 32°. He spots a sailboat further out, at an angle of depression of 13°. If the lifeguard is 36.5 dm away from the swimmer and 84.7 dm away from the sailboat, how far is the swimmer from the sailboat? Round your answer to the nearest tenth of a dm. Include a diagram
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