C 87 the median :::::::::::::
Option C:
A triangle that does not have the same dimension as one of the sides of pyramid.
Because....
There is a rectangular Pyramid, which is sliced perpendicular to its base and through its vertex.
Answer:
Its a i just took the test
Step-by-step explanation:
Equilateral triangle<span> because</span><span> all three sides are equal.So</span><span> all three internal angles are also congruent to each other and are each 60 degrees
</span>
7x - 3 = 60
7x = 63
x = 9
if you need to find for y
11y + 5 = 60
11y = 55
y = 5