Please answer no. 9 and 11. (Steps to be shown please)
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Answered by
1
given
AB is parallel to CD
<4:<7=4:5
to find
measures of
<4 and <7
solution
let <4 be 4x
let <7 be 5x
<7=<5( vertically opposite angles)
<5 plus <4=180(co-interior angles)
<4+<7=180
4x+5x=180
9x=180
x=20 therefore 2 angles are
4*20=80
5*20=100
AB is parallel to CD
<4:<7=4:5
to find
measures of
<4 and <7
solution
let <4 be 4x
let <7 be 5x
<7=<5( vertically opposite angles)
<5 plus <4=180(co-interior angles)
<4+<7=180
4x+5x=180
9x=180
x=20 therefore 2 angles are
4*20=80
5*20=100
Answered by
1
the answer is 100 due to parallel
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