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Mathematics, 09.11.2020 22:30 Dweath50

wheelchair ramp forms 20° angle with the ground. If the length of the ramp to the porch is 21.5 feet, how high (H) off the ground is the porch?

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wheelchair ramp forms 20° angle with the ground. If the length of the ramp to the porch is 21.5 feet...
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