Given your explanation in question two, justify why the sum of the measures of ∠b , ∠e , and ∠f must equal 180∘ .

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.