What is the area of the shaded region? (use 3 for 1 ) A. 61.23 m2
B. 2.92 m2
C. 18 m2
6.5 m
D. 139.45 m2
9.42 m

answer:

what is your question that you ask

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a