Which postulate or theorem can be used to show that all 3 center triangles in the Antigua and Barbuda flag are similar?

19.

step-by-step explanation:

you add the 9 in the tens column since it is a single digit and 9 plus zero is 9 so it is 19

answer: d. $20

step-by-step explanation:

just took the test

if you explain the the question more correctly i might be able to answer this better

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.