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In ΔHIJ, h = 40 cm, ∠J=20° and ∠H=93°. Find the length of j, to the nearest centimeter.
Question
In ΔHIJ, h = 40 cm, ∠J=20° and ∠H=93°. Find the length of j, to the nearest centimeter.
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Mathematics
3 years
2021-08-31T08:41:19+00:00
2021-08-31T08:41:19+00:00 1 Answers
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Answers ( )
Given:
In ΔHIJ, h = 40 cm, ∠J=20° and ∠H=93°.
To find:
The length of j, to the nearest centimeter.
Solution:
According to Law of sine,
In ΔHIJ, using law of sine, we get
On further simplification, we get
Approximate the value to the nearest centimeter.
Therefore, the length of j is 14 cm.