Answer:
70
Step-by-step explanation:
all angles in a triangle add up to 180
if two sides are equal their angles are equal
180-40
140÷2
70
The grandfather would be your parents.Hope it helps :)
I am pretty sure this is right
Answer: yes it is
Step-by-step explanation:
Answer:
6.5 x 10^-7
Step-by-step explanation: