The teacher said we could estimate but give a good reason for that estimate
1 answer:
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<u>Part a) </u>
we know that
An isosceles triangle has two base angles that are congruent
The sum of two base angles plus the vertex angle is equal to degrees
so
In this problem
Solve for x
therefore
<u>the answer part a) is</u>
the value of x is
<u>Part b)</u> What is the measure of each base angle?
we know that
we have that
substitute the value of x in the equation
therefore
<u>the answer part b) is </u>
the measure of each base angle is