Question 1)
there’s 180 degrees in a triangle
70 + 70 = 140
180 - 140= 40
A= 40
question 2)
there’s only one line of symmetry, down the middle
PEMDAS
multiply 2 in the parentheses:
6x + 10 - 16 + 2
Combine like terms:
6x -4
~
Answer:
by using goog_le, or by asking a teacher
301,931
^ This is the 100,000 place.
We round down because the number next to it is 0.
So we round do 300,000