The answer would be 7(a - 1)
Answer:
r = 13
Step-by-step explanation:
these angles are vertical and are congruent
8r + 6 = 9r - 7
6 = r - 7
13 = r
Answer:
based on yahoo, cause my iq is like 10...the answer is B
Step-by-step explanation:
Angle B is the largest angle. , Option D is the correct answer.
<h3>What is an Isosceles Triangle ?</h3>
A triangle that has two sides equal is called an Isosceles Triangle.
It is given in the question a triangle ABC
With BA =BC
therefore angle A is equal to angle C
In a triangle the angle opposite to the longest side is the biggest angle
Therefore angle B is the largest angle.
Option D is the correct answer.
To know more about Isosceles Triangle
brainly.com/question/2456591
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