3 years ago

Please help. no links

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

7 0

Answer:

144

Step-by-step explanation:

20×12=240

add 4 to 20 and 12

makes a new rectangle 24×16

24×16=384

384-240=144

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Mrrafil [7]

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We have been given that AE=BE and $\angle1\cong \angle2$ .

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We can see in triangles CEA and DEF that two angles and included sides are congruent.

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Therefore, $\Delta CEA\cong \Delta DEB$ by ASA postulate.

Since corresponding parts of congruent triangles are congruent, therefore CE must be congruent to DE.

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