Question

Help me please I don't understand

Answer 1

2:

x = 85

5:

x = 85

A = 275

Explanation:

Question 2:

The sum of all the angles in a triangle is 180 degrees!

So, 45 + 40 + x = 180

95 + x = 180

x = 85

So, x = 85 degrees

Question 5:

(See attached for my on these angles, since it's hard to explain in text)

So, x + 40 + 55 = 180

95 + x = 180

x = 85

Now, let's find outside angle A

x + A = 360 (If you noticed, it's a full circle here)

85 + A = 360

A = 275 degrees

I hope this helped!!