Examine the following figure, where DE

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Can anyone help me figure out what answer is for ASAP

A
B
C

Blank A = 60 units

Blank B = Triangle proportionality theorem

Blank C = 100 units

Solution:

Given DE || AC.

AD = 32, DB = 48, CE = 40

Let first find the measure of EB using triangle proportionality theorem.

If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally.

Do cross multiplication.

Divide by 32 on both sides of the equation.

EB = 60

Blank A = 60 units

Blank B = Triangle proportionality theorem

To find the measure of BC:

BC = CE + EB

     = 40 + 60

     = 100

BC = 100

Blank C = 100 units

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

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