Mehak math class

which is right angel here

• 120 degree

• 80 degree

• 40 degree

• 90 degree

5-4+7+2=

• 13

• 9

• 12

• 10

what is reflex angel

• more then 0 degree and less then 90 degree

• more then 180 degree and less then 360 degree

• more then 90 degree and less then 180

• i don't know

8 multiply 9 is

• 50

• 70

• 72

• 80

9 multiply 9 is

• 75

• 83

• 81

• 85

4z + 3y + 7s ; 6z + 2y + 2s =

• 7z + 5y + 10s

• 10z + 5y + 9s

• 11z + 7y + 10s

• 12z + 8y + 8s

what is an obtuse angel

• more then 90 degree and less then 180 degree

• more then 180 degree and less then 360 degree

• 90 degree

• more then 0 degree and less then 90 degree