How many triangles can be constructed with sides measuring 6 cm, 2 cm, and 7 cm?
a. one
b. more than one
c. none

 Option A- One                      

Step-by-step explanation:

Given that : The sides of the triangle  measuring 6cm, 2cm and 7cm.

We are using : Triangle inequality

The sum of the length of the two sides should be greater than the length of the third side.

So, when we apply this theorem in 6cm,2cm and 7cm

6+2=8>7 , 7+2=9>6 , 7+6=13>2

It satisfy all three possible sets.

Therefore, the given values follows the triangle inequality.

Hence one triangle can be formed.

Therefore, option A is correct.

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

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step-by-step explanation: