Answer:
82.5
Step-by-step explanation:
The formula for the area of triangle is 1/2 B * H
1/2 of the base is 7.5
multiply that by 11
and you get
82.5
If the letters are considered distinct, then the number of permutations is

.
If we count either C as the same character, then we would be double-counting - to correct this, we would simply divided by the number of ways we can choose C from the available characters, or

.
16 dollars each because you do 8x5 which equals 40 and do 168-40 which equals 128 / 8 equals 16
Answer is D You'll do the diameter squared then you multiply by π
Answer:
for four right angles, should be only square.
for all sides congruent, square and rhombus
for 2 pairs of parallel sides, parallelogram and rhombus and square.
for only 1 pair of congruent sides, parallelogram and rhombus
Step-by-step explanation: doggo has asian smarts, not bsian