84. Area of a triangle is (base x height) / 2
Answer:
Draw a line AB
Take a point C on AB
Fix the tip of compass at C and with a fix radius, cut AB on both sides of C
Mark those points D and E
Fix the tip of compass on D, and with the same radius, draw an arc above C
Do the same with E
Those two arcs will intersect at a point, mark the point F
Make a line passing through both C and F
Line CF is perpendicular to AB
Answer:
B.
Step-by-step explanation:
The percent increase when 7200 increases by 1800 is 25 %
Find his rate:
120 / 15 = $8 per hour
Multiply the rate by hours:
$8 x 20 hours = $160
He will earn $160
Answer:
6 cubic units
Step-by-step explanation:
step 1
Find the total number of storage tubs
Multiply three tubs wide by two tubs tall

step 2
Find the total volume of storage
we know that
One storage tub is a unit cube
That means ----> The volume of one storage tub is one cubic unit
Multiply by 6 storage tubs
