Answer:
14
Step-by-step explanation:
Sin(∅) = Opposite angle ÷ hypotenuse.
Sin (45) = 7
÷ hypotenuse
hypotenuse = 7
÷ sin(45)
*********************
Keep in mind
sin(45) = √2÷2
*********************
so we have: Hypotenuse = 7√2 ÷ (√2÷2)
Hypotenuse= 14.
Answer:
2.1
Step-by-step explanation:
8
10
−
2
5
)+0.9
=3(
4
5
−
2
5
)+0.9
=3(
2
5
)+0.9
=
6
5
+0.9
=2.1