Posted by **Chica** on Sunday, January 30, 2011 at 1:43pm.

For acute angle Aof a right triangle, find tan A by using the 45-45-90 Triangle Theorem or the 30-60-90 Triangle Theorem.

measure of angle A=45 degrees.

- Geometry/Trig. -
**helper**, Sunday, January 30, 2011 at 2:50pm
angle A = 45 deg

Special 45-45-90 deg triangles have sides in the

ratio of 1:1:(sqrt(2)) OR

ratio n : n : n(sqrt(2))

This means, in this problem,

side a = 1 (opposite side)

side b = 1 (adjacent side)

side c = 1*(sqrt(2)) (hypotenuse)

tan A = a/b = op/adj

tan 45 = ?

## Answer this Question

## Related Questions

- Geometry - 5. What theorem do Exercises 1-4 prove? (1 point) Triangle Inequality...
- geometry - find the value of x in each triangle: triangle x has 1 angle at 53 ...
- geometry - find the value of x in each triangle: triangle x has 1 angle at 53 ...
- Math - Geometry - Two right triangles are touching at the tips. The left ...
- Math-CHECK PLEASE - Which of the statements is ALWAYS TRUE? A-A right triangle ...
- angle measurements HELP ME PLZ QUICKLY!!! - name the type or triangle with angle...
- Geometry - Which is the hypotenuse-angle theorem? ...
- PLEASE HELP!!!!! (Right Triangle Question) - Point N is on hypotenuse BC of ...
- Geometery - For triangle MNP, find the value of x and the measure of each of ...
- math - trig - Suppose ABC is a right triangle with sides of lengths a, b, and c ...