Posted by Anonymous on .
If AC = 15 centimeters, and BC = 12 centimeters, which does AB equal?

geometry 
Ms. Sue,
What kind of figure is this?

geometry 
Anonymous,
a right triangle

geometry 
Ms. Sue,
Is this what it looks like?
A




___________B
C 
geometry 
Anonymous,
yes

geometry 
Ms. Sue,
Use the Pythagorean Theorem.
a^2 + b^2 = c^2
15^2 + 12^2 = c^2
225 + 144 = c^2
369 = c^2
19.21 = c
ab = 19.21 cm 
geometry 
Anonymous,
thank you

geometry 
Ms. Sue,
You're welcome.

geometry 
gotti,
Given Rhombus ABCD. The measure of angle BAE = 9x + 2 and the measure of angle BAD = 130. Find the measure of angle BAE.