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1. When Alonzo, who is 5’11" tall, stands next to a basketball goal, his shadow is 2’ long, and the basketball goal’s shadow is 4’4" long. About how tall is the basketball goal?
2. A ladder 9 meters long is placed against a wall 2 meters away from its base. What is the distance from the base to the top of the ladder?
3. The ratio of the perimeters of two similar triangles is 2:7. Find the ratio of the areas.
4. A ladder is leaning against a vertical wall which is 5m high. The top of the ladder slides all the way down the wall so that the bottom of the ladder slides one meter away from its original position. How long is the ladder?
Sagot :
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