Seudónimo Seudónimo

20-01-2022
Mathematics

contestada

in triangle ABC, what is m and B

A. 30°
B. 40°
C. 75°
D. 85°

in triangle ABC what is m and B A 30 B 40 C 75 D 85 class=

Respuesta :

jen4755 jen4755

20-01-2022

Answer:

B. 40

Step-by-step explanation:

Angle C is linear with ACD, so the 2 angles = 180 degrees. 180 - 155 = 25.

All 3 angles need to add to 180, so 115 + 25 + angle B = 180

140 + angle B = 180, so angle B is 40 degrees.

Answer Link

Cinbrew74 Cinbrew74

25-05-2022

Answer:

B) 40

Step-by-step explanation:

Answer Link

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