
- An isosceles triangle ABC
- AD is a bisector of ∠A
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- By ASA criteria ∆ABD congurant to ∆ADC
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- By CPCT ( corresponding parts of congurant triangle )

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Answer:
D or A
Step-by-step explanation:
(D) One circle : four triangles
Example:
One triangle is 1/4 of a circle
(A) One circle : four triangles
Example:
If there is two circles, the triangles will double like it shows [evidences]
The graph will slant to the right or it will be increasing.
I think they are look for the answer, INCREASING.
Answer: 4
Step-by-step explanation:
54 - 18n
Multiply -9 by -6 to get 54.
Multiply -9 by 2n to get 18n.