Unformatted Attachment Preview
1. Provide the reasons for the proof.
Given: Square ABCD, Diagonals AC and BD
Prove: DEC and BEC are right angles.
a. Square ABCD
d. Reflexive Property of Congruence
e. DEC BEC
g. mDEC = mBEC
g. Definition of congruence
h. DEC supp BEC
mDEC + mBEC = 180
Definition of supplementary angles
mDEC = mBEC = 90
Substitution and Division Property of Equality
k. DEC and BEC are right angles.
k. Definition of a right angle
Construct a square by using only a compass and straightedge. Explain your steps clearly.
3. If PQ = 21 cm and QR = 5 cm, then what are the possible lengths for PR so that PQ ,
QR , and PR can form a triangle? Explain your reasoning.
Purchase answer to see full
Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.
You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.Read more
Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.Read more
Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.Read more
Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.Read more
By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.Read more