Answer:
Substitution
Step-by-step explanation:
1. PQ = RS --------Given
2. PQ + QR = QR + RS ---------Addition Postulate
3. PQ + QR = PR;
QR + RS = QS -------Segment Addition
4. PR = QS ------- Substitution
Answer:
The length of a is 3 units
And breadth of a is 1 units
The length of b is 9 units and the Breadth of b is 3 units.
Therefore, Ratio of their sides=1:3.
Therefore, Scale os 1:3
D.) because y=x-3 -3 is the y
Hi there!
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I believe your answer is:
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Here’s why:

- The side of the square should be 2√7 inches.
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Hope this helps you. I apologize if it’s incorrect.