Question

Answer ASAP please!
….

Answer 1

For triangle a use Pythagorean theorem to find the hypotenuse.
A^2+b^2=c^2
15^2+9^2=c^2
225+81=306
C^2=306
C=17.49 or square root of 306

For b) 18^2+B^2=23^2
324+B^2=529
B^2=205
B=14.32 or square root of 205