Answer:
(a) Because it is an exterior angle
(b) The measure of angle 2 is 72°
Step-by-step explanation:
Angle 2 is an exterior angle because it is adjacent to the interior angle 1, and an exterior angle is equal to the sum of the measures of the two nonadjacent interior angles:
<2=30°+42°
<2=72°
Answer:
1 & 3 only
Step-by-step explanation:
Let your age be 'X'
Then the age of your brother will be
The age of your sister is 10, but can also be written as an expression (since it is the age of your brother +6)
Now we get the following equation:
Subtract 6 from both sides
Multiply by 3
Hence, the answer on your question (which is your age) is 12.
6 tons= 12000 pounds
12000-7860= 4140
His stuff weight 4,410 pounds