Thursday

April 17, 2014

April 17, 2014

Posted by **bart** on Saturday, July 14, 2007 at 5:23pm.

a right angle is given. the length of ba is 20. what is the approx length of bc?

sin= .643

cos= .766

tan= .839

the answer is 12.9 but i dont know how that is.

I assume bc is the other leg, and ba is one leg.

Isnt Sin of the base angle= bc/ba?

then bc= .643*ba

**Related Questions**

Math 7 - Homework Question Check - 12. Is the figure below a right triangle? On...

alg - if n+5-n+3 over n-3-n-5=16 what is the value of n this is an SAT question ...

math - hi! Im having trouble with this question about matrices the matrix X = (4...

geometry - in a right triangle ABC, if ab is 14 and bc is 12 wut is bd? there is...

Math - BASIC MATHEMATICS MAT/115 I have this problem and it is my last one and I...

Math - The perimeter of a rectangle is 110 inches. The length exceeds the width ...

Geometry/ SAT Math - This was an SAT question of the day, but I can't figure out...

Math - A student answered the following skill-testing question to try and win a ...

Math Trig - I have to find the x (bottom length of the triangle) in a right ...

Chemistry - For which of the following atoms is the 2+ ion paramagnetic? Sn Mg ...