Mathematics, 14.12.2020 04:50 kaitlynmoore42
In ABCD, the measure of D=90°, BD = 20, CB = 29, and DC = 21. What is the value of the cosine of ZC to the nearest hundredth?
Answers: 3
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Select the correct answer. given: ∆abc with prove: statement reason 1. given 2. ∠cab ≅ ∠edb ∠acb ≅ ∠deb if two parallel lines are cut by a transversal, the corresponding angles are congruent. 3. ∆abc ~ ∆dbe aa criterion for similarity 4. corresponding sides of similar triangles are proportional. 5. ab = ad + db cb = ce + eb segment addition 6. substitution property of equality 7. division 8. subtraction property of equality what is the missing statement in the proof? scroll down to see the entire proof.
Answers: 3
In ABCD, the measure of D=90°, BD = 20, CB = 29, and DC = 21. What is the value
of the cosine of ZC...
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