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10-07-2020
Mathematics

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Applying the Segment Addition Postulate
Point D is on segment BC. Segment BC measures 8x
units in length.
С
D
B
What is the length of segment BC?
units
3x + 8
4x + 10

Applying the Segment Addition Postulate Point D is on segment BC Segment BC measures 8x units in length С D B What is the length of segment BC units 3x 8 4x 10 class=

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Аноним Аноним

10-07-2020

Answer:

144

Step-by-step explanation:

Find: Length of segment BC

CD+DB=BC

3x+8+4x+10=BC

7x+18=BC

BC also equals 8x (given on the screen shot)

7x+18= 8x

x=18

18 times 8 = 144

Check:

3( 18) + 8 + 4(18) + 10

54+8 + 72+10

64+ 80= 144 TRUE

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