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For numbers 13-15, refer to this figure; [ Look at the attachment ]

13) In ∆ DEF, an exterior angle at F is represented by 8x + 15. If the two non-adjacent interior angles are represented by 4x + 5, and 3x + 20, find the value of x.

A. 7
B. 10
C. 11
D. 17

14) What inequality theorem is illustrated on the figure above?

A. Angle-Side
B. Exterior Angle
C. Hinge
D. Side-Angle

15) What do you call angles D and E in relation to the exterior angle at F?

A. Adjacent
B. Exterior
C. Interior
D. Remote Interior
​

For Numbers 1315 Refer To This Figure Look At The Attachment 13 In DEF An Exterior Angle At F Is Represented By 8x 15 If The Two Nonadjacent Interior Angles Are class=

Sagot :

Answer:

13. B

Step-by-step explanation:

check the photo above

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