£108 in the ratio 7:5

The circumference of a circle is 60 pi cm3what is the radius of the circle

1. what is the measure of ∠abc? what is the measure of ∠abd?

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.