Peter records the time it takes him to finish an exercise routine. His two times are 58.39 min and 49.18 min. Johnny records his
1 answer:
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Answer:
Step-by-step explanation:
We want to simplify:
We rewrite as:
We split the radical sign to obtain:
Simplify the square root for the perfect squares to get:
Therefore the simplified form is:
Find the last angle:
180-(30+90)
180-(120)
60
Evaluate using sine rule:
=
c=
=
=20
The length of line segment AB is 20 feet (answer choice C)
180-(30+90)
180-(120)
60
Evaluate using sine rule:
c=
=
=20
The length of line segment AB is 20 feet (answer choice C)