What is the area of a trapezoid with bases of 15 cm and 23 cm and a height of 13 cm?

A=247cm²

Step-by-step explanation:

A=a+b

2h=15+23

2·13=247cm²

A=247cm²

Step-by-step explanation:

A=a+b

2h=15+23

2·13=247cm

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

step-by-step explanation: 4 cause 2+2=4