Proportions in Triangles

What is the value of x?

If a line segment joins the midpoints of two sides of a triangle, then it is​ (a)   to the third side and​ (b)   the length of the third side.

• parallel

• half

• perpendicular

• twice

• a third of

• a quarter of

• adjacent

Find the value of x.

Mathematical Equivalence

ON

Find the value of x.

Mathematical Equivalence

ON

Find the length of RT

• 9

• 4.5

• 18

• 36

Select the proportion that shows the Triangle Proportionality Theorem.

Find the value of x.

Mathematical Equivalence

ON

The value of x is​​ (a)   , the value of y is​​ (b)   , and the value of z is​ (c)  

What percent of the area of △PQR is the area of △QRS?

• 33.33%

• 40%

• 50%

• 60%

• 66.67%

Find the value of x.

Mathematical Equivalence

ON