Answered

Which of these sets of number could form a triangle??
A.) 7, 7, 7
B.) 1, 5, 7
C.) 20, 10, 9
D.) 13, 21, 15
E.) 7, 10, 18

Sagot :

DSONJOEVINCENTGO

Answer:

A.)7,7,7

Step-by-step explanation:

Because the perfect triangle needs to be perfect number set,but there is some triangle is not balance number set

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