Answer:
length times hight times whith
Answer:
Yes this is a right angle triangle
Step-by-step explanation:
h*h=p*p+b*b
5*5=4*4+3*3
25=16+9
25=25
Answer:
x=-5
Step-by-step explanation:
3x+6=-9
-6 -6
3x=-15
x=-5
Answer:

Vertical angel are always Equal ( = )
Answer:
c. 10.8
Step-by-step explanation:
this is bad but i did that work and i kept getting 10.6 and 10.8 is the closest so...
cos (45) = x/15 *put cos (45) over 1 & cross multiply*
x = 15 (cos (45))
x = 10.6
im sorry