Please help me Thank u
1 answer:
Answer:
Step-by-step explanation:
Fist let's have a look :
- (AB) is parallel with (CD) and there is a line crossing them both.
Now the first question : What is the size x ?
- We notice that x and 53° are vertically opposite so they are corresponding angles
- so the size of x is 53°
The second question : what is the size of y ?
- We notice that y and 53° are alternate angles
- so they are corresponding angles with same size
- y=53°
The trick is to khow the situation where we have corresponding angles
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Answer:
<h2>(x + 7)² + (y + 2)² = 49</h2>Step-by-step explanation:
The standard form of an equation of a circle:
(h, k) - center
r - radius
We have:
center (-7, -2) → h = -7 and k = -2
radius r = 7.
Substitute: