Question

If AB = 5 cm; QR = 7cm; then find the value of AC (in cm.), if the perimeter of triangle ABC
is 18cm.
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Answer 1

Answer:

4 cm

Step-by-step explanation:

18-(5+7)=18-14=4cm

Answer 2

Answer:

Value of Ac is 6 cm

Step-by-step explanation:

The perimeter is the sum of all three sides of a triangle. So, adding the two sides and subtracting it from the perimeter, we can get the third side