62 cm. plug in 4 for x. 2(5(4)-2))+2(3(4)+1))= 2(18)+2(13)= 36+26=62. Hope this helps!
Answer:

Step-by-step explanation:
<u>Step 1: Multiply inside the parenthesis
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<u>Step 2: Multiply
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Answer: 
If is an acute triangle, all the angles should be acute angles.
180-38=142°
142-69=73°
So your answer is 69°, lovely~
Answer: 2√ 10
Step-by-step explanation:
It’s a ! you add both of the numbers to get your missing perimeter.
I’m very sorry if it’s wrong but this is what I believe! stay safe