Answer:
32+78+x=180
Step-by-step explanation:
All triangle angles add up to 180, so add 78 and 32 then subtract it from 180 to get x, which in another form is 32+78+x=180.
Hey! Your rational number would be 
A =(b x h)/2
= 10 x 8
= 80/2
= 40 mm square
Answer:
Step-by-step explanation:
here you go,