Answer:
C. 21°
Step-by-step explanation:
In triangle ABC, perpendiculars dropped on the sides AB and AC from the ray BD are equal in measure or congruent.
Therefore, ray BD is equidistant from the sides AB and AC.
So, ray BD will be the bisector of angle ABC.
(Angle bisector theorem)
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Answer:
Step-by-step explanation:
Putting values
2[8(2(3)+ 3(1)]
2(8(9)
2(72)
144
Answer:
7 yellow triangles for each blue triangle
Step-by-step explanation:
the ratio of yellow triangles to blue triangles is
42 / 6 or
(42/6) / (6/6)
7 / 1
7
Answer: 4
Step-by-step explanation: