Identify the value of x in the image below

x =51

Step-by-step explanation:

x-12+x=90°

x+x=90+12

2x=102

2x÷2=102÷2

x=51

then

(x-12°)

51-12

=39°

x°=51

39+51=90°

then x=51

SURE DUDE

180 square centimeters

step-by-step explanation:

the sum of the lengths of any two sides of a triangle is greater than the length of the third side. if you take the three sides of a triangle and add them in pairs, the sum is greater than (not equal to) the third side. if that is not true, then it is not possible to construct a triangle with the given side lengths.

step-by-step explanation: