6.) AB is a line segment of length 12 cm. CD is the perpendicular bisector of AB. Find the length of AO and OB.
A. 6cm and 8cm
B. 7cm and 7cm
C. 6cm and 6cm
D. 7cm and 6 cm
7.) If m<AOC = 90 degrees, then what can you say lines AB and CD?
A. Intersecting
B. Parallel
C. Perpendicular
D. Transversal
8.) If lines AB and CD are perpendicular, then what angles AOC and COB?
A. Congruent and Complementary
B. Congruent and form Linear Pair
C. Not Congruent but Complementary
D. Not Congruent but form Linear Pair
A. 6cm and 8cm
B. 7cm and 7cm
C. 6cm and 6cm
D. 7cm and 6 cm
7.) If m<AOC = 90 degrees, then what can you say lines AB and CD?
A. Intersecting
B. Parallel
C. Perpendicular
D. Transversal
8.) If lines AB and CD are perpendicular, then what angles AOC and COB?
A. Congruent and Complementary
B. Congruent and form Linear Pair
C. Not Congruent but Complementary
D. Not Congruent but form Linear Pair
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[tex]ao + ob = ab[/tex]
[tex]let \: ao = ob = x[/tex]
[tex]x + x = 12 \\ 2x = 12 \\ x = 6cm[/tex]
AO + OB = 6cm
[tex]m < aoc = 90degree[/tex]
[tex]ab \: + \: cd[/tex]
B)
[tex]ab \: + \: cd[/tex]
[tex] < aoc = cob \\ < aoc + < cob = 180degree(linear \: pair)[/tex]
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