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Can someone please help me out with this question

Can someone please help me out with this question
asked 18.3k views
1 vote
Can someone please help me out with this question

Can someone please help me out with this question-example-1
asked
User Phildobbin
by
8.2k points

1 Answer

3 votes
the answer is 140






CB + CD=180
DA +BA=180
DA=CB
CD=BA



16z + 12 +2( 2z + 4 )= 180 \\ 16z + 12 + 4z + 8 = 180 \\ 16z + 4z = 180 - 12 - 8 \\ 20z = 160

z = (160)/(20) = 8
the value of z is 8


so BA is

16 * (8) + 12 = 128 + 12 = 140








good luck
answered
User Ultracrepidarian
by
8.5k points
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