Answer: C.
Explanation: i just took it. and got a 100. :)
Answer:
12
Step-by-step explanation:
The two unknown values of the triangle have to be the same.
Subtract 28 from 180 and you get 152
So each angle will be 76.
So now, 76 = -8 + 7x
Simplify and 84 = 7x
Now, x is equal to 12
Hope this helped! Please mark me as brainliest if you can!
Answer:
well the other cathet is 2 square roots of 3. since the angles are 30° and 60° cathecathet is 2 times longer than the known. and to calculate x we use pythagoras teorem. witch leads me to an answer square root of 15
