5-4 Special Right Triangle

45 - 45 - 90 Triangle

The Ratio for that kind of triangle is 1:1:square root 2.

Formula: Leg times the square root of 2 times hypotenuse.

30 - 60 - 90 Triangle

The Ratio for that kind of triangle is 1:square root 3:2

Short Leg times square root 3 = long leg, OR Short Leg times 2 = hypotenuse.

Problem 1-1

What does y equal?

30 - 60 - 90 triangle

x over 1 = y over square root 3 = 8 over 2

x over 1 = 8 over 2 = 4. x = the short leg

y over square root 3 = 8 over 2. y over square root 3 = 4. Multiply that by the square root 3 and you get y =

4 square root 3 a>

12 a>

None of the above

Site hosted by Angelfire.com: Build your free website today!