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3 years ago

Please help! I can't figure this out

Mathematics

2 answers:

trasher [3.6K]3 years ago

6 0

Answer:

see explanation

Step-by-step explanation:

(1)

CD = CE - DE = 8 - 2 = 6

CB = CD = 6 ( given as congruent ) , thus

AC = AB + CB = 4 + 6 = 10

(2)

∠ 2 + ∠ BCD + ∠ DCF = 180° ( sum of angles on a straight line )

∠ 2 + 60° + 70° = 180°

∠ 2 + 130° = 180° ( subtract 130° from both sides )

∠ 2 = 50°

Ratling [72]3 years ago

6 0

AC=10
Angle 2=50 degree

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