Answer:
248
Step-by-step explanation:
A=height b times base divided by two
which is:
A= 16 times 31 divided by two
Answer:
53 degree
Step-by-step explanation:
i just subtracted it (linear pair axiom)
You would be able to find this out using the calculator
Answer:
1-12x=-20-9x
-12x=-21-9x
-3x=-21
divide both sides by -3
x=-7
Step-by-step explanation: