Question

the length of two sides of a triangle are 12 cm and 15 cm . between what two measures should be length of the third side fall​

Answer 1

Answer:

9

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

LET THE ONE SIDE OF TRIANGLE AB=12

AND THE OTHER SIDE IS BC=15

by using Pythagoras theorem

(AC)²=(AB)²+(BC)²

(AC)²=(12)²+(15)²

(AC)²=144+225

(AC)²=369

(AC)=√369

AC=19

Therefore third side of a triangle is AC=19