What is a counterexample for the conjecture? Any number that is divisible by four is also divisible by eight
1 answer:
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we know that
The sum of the internal angles of a triangle must be equal to degrees
see the attached figure with letters to better understand the problem
m∠B+°-----> by supplementary angles
m∠B=
m∠A=
m∠C=
m∠A+m∠B+m∠C=
Substitute
therefore
the answer is
the value of x is equal to
