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Oksana_A [137]
2 years ago
14

60 POINTS I NEED ANSWER FAST. WILL MARK BRAINLIEST.

Mathematics
2 answers:
Deffense [45]2 years ago
4 0

Answer:

5.2

Step-by-step explanation:

4.3/5.6 = 4/AB

AB = 5.2

Lina20 [59]2 years ago
4 0

Step-by-step explanation:

<em>Here</em><em>, </em>

<em> </em>

<em>Triangle</em><em> </em><em>A</em><em>D</em><em>C</em><em> </em><em>and</em><em> </em><em>triangle</em><em> </em><em>ABD</em><em> </em><em>are</em><em> </em><em>similar</em><em> </em><em>triangle</em><em> </em><em>as</em><em> </em><em>they</em><em> </em><em>are</em><em> </em><em>similar</em><em> </em><em>by</em><em> </em><em>A.A.A</em><em> </em><em>axiom</em><em>.</em>

<em>now</em><em>,</em><em> </em><em>as</em><em> </em><em>they</em><em> </em><em>are</em><em> </em><em>similar </em><em> </em><em>their</em><em> </em><em>sides</em><em> </em><em>are</em><em> </em><em>proportional</em><em> </em><em>to</em><em> </em><em>eachother</em><em>, </em>

<em>CD</em><em>/</em><em>BD</em><em> </em><em>:</em><em> </em><em>AB</em><em>/</em><em>AC</em><em> </em><em>:</em><em> </em><em>AD</em><em>/</em><em>AD</em>

<em>4</em><em>.</em><em>3</em><em>/</em><em>4</em><em> </em><em>:</em><em> </em><em>AB</em><em>/</em><em>5</em><em>.</em><em>6</em><em> </em><em>:</em><em> </em><em>AD</em><em>/</em><em>AD</em><em>.</em>

<em>Taking</em><em> </em><em>1</em><em>st</em><em> </em><em>and</em><em> </em><em>srcond</em><em> </em><em>ratios</em><em> </em><em>we</em><em> </em><em>get</em><em>,</em>

<em>4</em><em>.</em><em>3</em><em>/</em><em>4</em><em>=</em><em>AB</em><em>/</em><em>5</em><em>.</em><em>6</em>

<em>or</em><em>,</em><em> </em><em>4AB</em><em> </em><em>=</em><em> </em><em>5</em><em>.</em><em>6</em><em>×</em><em>4</em><em>.</em><em>3</em><em> </em><em> </em><em> </em><em>(</em><em>cross</em><em> </em><em>multiplication</em><em>)</em>

<em>Therefore</em><em>, </em><em> </em><em>the</em><em> </em><em>measure</em><em> </em><em>of</em><em> </em><em>AB</em><em> </em><em>is</em><em> </em><em>6</em><em>.</em><em>0</em><em>2</em><em> </em><em>or</em><em> </em><em>6</em><em>.</em>

<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

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