Plz answer fast, thanks

An equilateral triangle is a specific kind of isosceles triangle whose base is equal to each leg, and whose vertex angle is equal to its base angles. ... Every equilateral triangle is also an isosceles triangle, so any two sides that are equal have equal opposite angles.

Step-by-step explanation:

Isosceles have 2 sides and two angles the same, there is always a potential line of symmetry.

By definition, obtuse angles are greater than 90 degrees, so the sum of 2 obtuse angles is greater than 180 degrees. So it would not be possible. If you include the third angle, the sum of all three angles would be even larger. It is therefore not possible for a triangle to have 2 obtuse angles, at least in 2 Euclidean dimensions.

An equilateral triangle is a specific kind of isosceles triangle whose base is equal to each leg, and whose vertex angle is equal to its base angles. ... Every equilateral triangle is also an isosceles triangle, so any two sides that are equal have equal opposite angles.

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right