Answer:
a and b must be positive integers
Step-by-step explanation:
for example- a= (+1)x(+2)
= (+2)
= (+2)>0
= axb>0
Thank U
Answer: 30
Step-by-step explanation:
Because you can break the pentagonal base into triangles and the formula to find the area of a triangle is 1/2 Bh so 840/14 = 60 divided by 1/2 = 30
It’s obviously the top one
Answer:
2√10
Step-by-step explanation:
-√(x2-x1) squared +(y2-y1) squared
-√(0-(-6)) squared +(-10-(-8)) squared
- simplify and get 2√10 which you can simply further to 6,32( rounded off to two decimal places)