I will mark Branliest The quadrilateral ABCD shown is a
Break the quadrilateral into triangles by drawing a
diagonal, AC. How many triangles does the
quadrilateral break down into?
The sum of the measures of the interior angles of this
quadrilateral is
50
B
A

step-by-step explanation:

you divide the denominator by the numerator on both sides and if the quotients are equal then the fractions are equivalent

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.