D is the property used in solving that equation
(-1)+(-5)+8+(-6)
total number of numbers= 4
total sum= -4
average/ answer= -4/4= -1
Step-by-step explanation:
Since the options are not clear enough, please kindly see the attached file for more explanation
Answer:
24
Step-by-step explanation:
A polygon equals 360
360/15 = 24
1. Three pairs of congruent angles are:
∠ R ≅ ∠ J
∠ S ≅ ∠ K
∠ T ≅ ∠ L
Three pairs of congruent sides are:
RS ≅ JK
ST ≅ KL
RT ≅ JL
2. RS = NO
3. ∠ L = ∠ P
4. ∠ Q = ∠ M
5. MN = QR
6. ASA Postulate
7. SSS Postulate
8. SAS Postulate
9. AAS Postulate
10. SAS Postulate