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Answer: The measure of the vertex angle = 80°
Step-by-step explanation:
Angle sum property of triangle : The sum of the measures of the angles for any triangle is 180 degrees.
So,
'
Then, vertex angle =
Hence, The measure of the vertex angle = 80°
Answer:
8%
Step-by-step explanation:
We will use the equation provided to solve this problem.
Lets plug in the values:
First, divide both sides by 800.
Multiply x by 1
Now, we multiply .08 by 100 to get our interest rate:
(.08)100 = 8
The interest rate is 8%