I don't understand this question can someone help me with this please, please explain If u dont know try your best. Please do it quick and do all :D

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

Select the correct answer what is the most direct use of a compass in geometric constructions? a. to draw congruent angles b. to draw arcs of a given size c. to draw perpendicular lines d. to draw straight lines reset next next

Write the equations in logarithmic form 7^3=343