What is the exact circumference of a circle with a radius of 17 millimeters

there is no other answer chooses plz dont ask will give brainlist

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle

Someone which statements are true? check all that apply.