Key1431
15.10.2020 •
Mathematics
which proof has a flaw? ( i need help in my geometry class, and will give brainliest answer if is correct!!) please help :)
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Ответ:
The second reason is incorrect.
It should be "Transitive Property of Congruence"
Ответ:
Step-by-step explanation:
Use Pythagorean theorem,
QP² = PR² - QR²
= (√78)² - 2²
= 78 - 4
= 74
QR = √74