maryam4241
02.04.2020 •
Mathematics
The circumference of a roll of tape is 31.4 in. The tape deceased 10. 5 in after one use. What is the best estimate of the diameter of the roll after the decrease? Use π = 3.14
PLZ HELP MEH ASAP!
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Ответ:
D 2200 feet
Step-by-step explanation:
Let d = the horizontal distance
tan 45 = 2200/d
dtan 45 = 2200
d = 2200/tan 45
d = 2200 ft.
Another solution is to recognize that the triangle is a 45-45-90 triangle and that the legs are congruent in the triangle. So, the horizontal leg is the same as the vertical leg = 2200