Answer:

Step-by-step explanation:
We are given a triangle
whose sides are
a=12
b=8
c=13
Since, c is largest among them
So, angle C must be largest angle
we can find angle C
we can use law of cosine formula

now, we can plug values


now, we can find angle
we get

it takes the robot 32/3 hour(s) to complete one task which in decimal form would be something like 10.6667.
Answer:
the last one(26 by 22) not sure whether its D or E but yah
Step-by-step explanation:
Answer:
talk on here
Step-by-step explanation:
Answer:
32 with 11 handkerchief left over
Step-by-step explanation:
Handkerchief = 811
Quits for 1 handkerchief = 25
Number of quits
= 811 ÷ 25
= 32 Remainder 11