Answer:
81 mm^2
Step-by-step explanation:
Area= 3*6*9/2=81 mm^2
Answer:
Its 40 for the first and 20for the other one
Step-by-step explanation:
I just took the test.
Answer:
52
Step-by-step explanation:
Put the numbers in the expression and do the arithmetic.
(-8)² - |-12| = 64 -12 = 52