<span>Acute triangles have angle measures that are less than 90°, so here are your three answers:
20°, 80°, and 80°
60°, 60°, and 60°
25°, 75°, and 80°
</span>
Answer:
try 88 or 61 or 29 I really don't know but☺
Answer:
Option B. 
Step-by-step explanation:
we know that
The area of a triangle is equal to

we have


Convert mixed numbers to an improper fractions


substitute the values

Answer:
Step-by-step explanation:
-2/5 - 4/5 + -9/10
= -2/5 - 4/5 - 9/10
= {-2(2) -4(2) - 9)/10
= (-4 - 8 - 9)/10
= -21/10
= -2 1/10
Answer:
use a tree diagram to get a visual representation over it then calculate you're probability.