Answer:
100
Step-by-step explanation:
All angles in a triangle equal to 180.
80+20=100
180-100=80
The line is 180
180-80=100
Answer:
121..??
Step-by-step explanation:
Answer:
Four times his sister's age would be 4b. his age is two years less, so we need to subtract 2.
put together, this is 4b - 2.
2 61/64m^3; For a rectangular prism, just use the formula V=w h l
V=0.875*1.5*2.25
V=1.3125*2.25
V=2.953125
V=2 61/64m^3