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AB is 5.61 mm. CD is 2.4684 mm. AD is 11.22 mm. Find BC
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AB is 5.61 mm. CD is 2.4684 mm. AD is 11.22 mm. Find BC

User Dionisia
by
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1 Answer

2 votes

Answer:


BC=3.1416\ mm

Explanation:

we know that


AD=AB+BC+CD ---> by addition segment postulate

we have


AB=5.61\ mm\\CD=2.4684\ mm\\AD=11.22\ mm

substitute the given values


11.22=5.61+BC+2.4684

Rewrite as


11.2200=5.6100+BC+2.4684

Solve for BC


11.2200=(5.6100+2.4684)+BC


11.2200=8.0784+BC


BC=11.2200-8.0784


BC=3.1416\ mm

User KeithB
by
5.8k points
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