Question

If triangle JMK is similar to triangle HNB, if 5 years ago

Answer 1

welcome to QC!!!

what exactly are you trying to ask here?

Answer 2

@mathboy so from this above wrote in your posted problem you talk about similar triangles
- yes ?

so in this case did you heard about corresponding angles of similarity ?

just us this and will get proven what you need so that if angle B has measure of 75 degrees so from this result that angle K - like corresponding angle will have measure of 75 degrees too

hope helped understandably easy