Answer:
A) Rectangle
Step-by-step explanation:
Hope this helps :D
Answer:

Step-by-step explanation:
From the isosceles-base theorem, the measure of the angles adjacent to the pair of congruent sides of the triangle are equal. Since the problem declares
, the remaining unknown angles are equal (
). The sum of the interior angles of a triangle always add up to
.
Therefore:
.
15 vg
18 vg
Just put a line in-between them to make a fraction.
Answer:
-6
Step-by-step explanation:
The pattern here is that you substract 15 every time you move a number (left to right) , therefore: 9-15 = -6
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below =)