Wednesday

April 1, 2015

April 1, 2015

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

**Answer this Question**

**Related Questions**

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

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

Maths - Optimisation - I've been trying to work out this question for hours and ...

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

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

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

pls help w/t math ? - in a right triangle ABC, if ab is 14 and bc is 12 wut is ...

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

Math - In a right triangle, find the length of the side not given. Approx to the...

Calculus - I've been trying to figure this out but I can't seem to find the ...