Answer:
Wait is this melody Montejano from tustin high ?
Creo que la respuesta es C. No soy bueno con el inglés, pero eso es lo que pienso. Lo siento si está mal.
For example, the unknown side is x, the other two sides are 70^ and 10^.
Remember that the total of all the angles in a triangle is equal to 180^
S1) Add 70^ + 10^ = 80^
S2) 180 - 80 = 100^
ANSWER x = 100^
Hope this helps! Please Mark BRAINLIEST if it did ;)
It can be turned into a mixed number:
hope that helps :) ✨