Answered

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Ants can hear each other up to a range of 2 m. An ant at A, 1 m
from a wall sees her friend at B about to be eaten by a spider
. If
the angle of elevation of B from A is 62°, will the spider have a
meal or not? (Assume B escapes if he hears A calling.)

Sagot :

28addisonasbell

Answer:

The secant of the angle equals the distance between the ants divided by the distance from the first ant to the wall, So sec 62° = d / 1, where d is the distance between the ants. That's more than the hearing range of 2m, so yes, the friend will be a meal. Step-by-step explanation:

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