Answer:the mean is 6.1 the mode is 5 and 7.
Step-by-step explanation: the mean is 6.1 because the number add up to 61 and there are 10 numbers 61/10=6.1
The mode is 5 and 7 because they occur most frequently
A=43.0491 (4 .d.p.). B=53.7785 (4 .d.p.). C=83.1724 (4 .d.p.). Explanation: Labelling triangle in the conventional way i.e. side a opposite angle ...