The perimeter of a triangle is not greater than 12 and the lengths of sides are natural numbers.
How many such kinds of triangles is it possible? Find the probability of randomly chosen triangle is isosceles but not equilateral.

A triangle has three sides and three angles ... There are three special names given to triangles that tell how many sides (or angles) are equal ... Has an angle more than 90° ... The perimeter is the distance around the edge of the triangle: just add up the three sides ... (Note: 12 is the height, not the length of the left-hand side).

Step-by-step explanation:

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let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation: