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Rina8888 [55]
2 years ago
6

Please can someone help me on this I’m trying to revise for my test and I don’t understand this question

Mathematics
2 answers:
stepan [7]2 years ago
6 0

Answer:

first of all the line EAB is a triangle and all the angles in a triangle equate to 180° therefore;

angle \: ebc = 148 \\ angle  \: edc = 63 \\ 148 + 63 = 180

next I subtract 148 from 63 which gives 85⁰ therefore eab is equals 85⁰

docker41 [41]2 years ago
5 0

Answer:

∠ EAB = 85°

Step-by-step explanation:

∠ EBC and ∠ BCD are same- side interior angles and sum to 180° , so

∠ BCD = 180° - ∠ EBC = 180° - 148° = 32°

the sum of the 3 angles in Δ ADC = 180° , that is

∠ EDC + ∠ BCD + ∠ EAB = 180°

63° + 32° + ∠ EAB = 180°

95° + ∠ EAB = 180° ( subtract 95° from both sides )

∠ EAB = 85°

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