Step-by-step explanation:
Area of the original rectangle=7×9 m²
=63m²
Let triangle removed be named as ∆ABC right angle at B, AB=(9-6)m = 3m
BC=(7-2)m =5m
area of ∆ABC= 1/2 ×3×5=7.5m²
area of the shaded region = (63-7.5)m²
= 55.5m²
Answer:
12 miles squared
Step-by-step explanation:
1. Factor the expression 
2. Since 
is placed in the denominator of the given expression, then 
3. Now the expression can be simplified:
Answer:
Step-by-step explanation:
b 2,5
Square 12.1, and subtract 121 from both sides.
Complete the subtraction on the right side.
This is the solution.
