Answer:
Incorrect
Step-by-step explanation:
The angle is acute,which means under right triangle's usual size.
You need at least 90 cm to have a right triangle so no she is incorrect
Answer:
11 sq.ft
Step-by-step explanation:
∅= 80×π/180= 4π/9
area= 1/2 × r²× ∅
= 1/2 × 16 × ∅
= 8∅
=8×(4π/9)
= 32π/9
= 11.17 ~11
Answer:
43in
it might be wrong but that's what I got
Answer:
12
Step-by-step explanation:
To find the mean, add up all the numbers
18+ 19+ 19+ 4+14+ 8+ 22+ 3+ 1
108
Then divide by the number of terms
108/9 =
12