maths lesson two week one

Q1)180 degrees .I know this because all of the angles make half a circle which is 180 degree

b)can not measure them

c)180 degrees

d)angles in a triangle always add up to make 180 degrees.

Q2) a)41 degrees because 92+47=139 so you do 180-139=41degrees

      b)97 because 58+25=83 and 180-83=97

       c)55 degrees because the square is 90 degrees so you do 35+90=125 and then

        180-125=55

      d)121 degrees because 31+28=59 and then you do 180-59=121

Q3) a) q=68.6 b)36.3 c)130 d)59.7

Q4) a)81 b)156 c)66

Q5) 0 acute angles=none 1 acute angle=empty 2 acute angles=e,b,a 

3 acute angles=d and c

b)yes 0 acute angles and 1 acute angle.

Q6)no Ron forgot to add the 90 degrees square to 37 degrees so the answer should be p=53 degrees