Answer:
30 60 90 triangle
the hypotenuse is twice the length of the shorter leg length.
-10 because if you flip it 7-10=-3
Hi!
Irrational numbers cannot be whole numbers. In order to be a whole number, you cannot have any decimals or fractions. Irrational numbers possess these properties.
Hopefully, this helps! =)
Answer:
C
Step-by-step explanation:
According to SohCahToa, cosine is adjacent over the hypotenuse.
The adjacent when looking from angle b, is 21.
The hypotenuse of this triangle is 29.
So Cos B=21/29