Help Rn help please help

b is right angel triangle 90 degrees

b - c is straight line that adds up to 180 degrees

9 is the height for sin, cos and sine

Step-by-step explanation:

Say something along the lines of ¨This triangle is not a right triangle because it has no right angles, instead it is an isosceles triangle. This is because it has 2 sides that are perfectly equal. It also can be obtuse or acute because it has no obtuse/acute angles. This triangle also has two equal angles (A and C) these angles are the smaller angles. The angle B is a big angle so B+A+C=180 degrees.¨

Step-by-step explanation:

Mark Brainliest please :P

the least common denominator is 40

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3