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mars1129 [50]
3 years ago
11

An obtuse triangle has angle measurements of 100°, 60°, and 20°. if the longest side of this triangle is 20 feet, what is the le

ngth of its shortest side, s?
Mathematics
2 answers:
ValentinkaMS [17]3 years ago
5 0
This is the concept of geometry, we are required to calculate for the length of the shortest side. The shortest side is the side opposite to the smallest angle; Therefore using sine rule we shall have:
a/sin A=b/sinB=c/sinC
let a=20 and A=100
b=x and B=20
thus the shortest side will be given by:
20/sin 100=x/sin 20
x=(20sin 20)/100
x=6.95 feet
The answer is 6.95 feet

statuscvo [17]3 years ago
5 0

Answer:

6.9

Step-by-step explanation:

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