aaliyahpat5 aaliyahpat5

22-10-2021
Mathematics

contestada

Acellus
D
320
A
410
С.
B
mZB = [?]
Enter the number that belongs in
the green box

Acellus D 320 A 410 С B mZB Enter the number that belongs in the green box class=

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jimrgrant1 jimrgrant1

22-10-2021

Answer:

∠ B= 107°

Step-by-step explanation:

The sum of the 3 angles in Δ ACD = 180° , then

∠ D = 180° - (32 + 41)° = 180° - 73° = 107°

The opposite angles D and B are congruent in a kite , so

∠ B = ∠ D = 107°

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