Which angle measures would make for a triangle with two congruent sides?

50°, 50°, and 90°

40°, 40°, and 110°

30°, 30°, and 120°

25°, 35°, and 85°

What is the range? can’t seem to find it out

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?