E help me. Will Mark brainliest. Need answer and explanation. Thanks.?

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Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3