Answer:
a) centre angles are double the circumference
b) 60 degrees
c) 120 degrees
Step-by-step explanation:
for c) the opposite angles in a cyclic quadraleteral add to 180 so take 60 from 180 to get 120
Answer:
True
Step-by-step explanation:
We can sue the pythagorean theorem to verify. 15^2+36^2 should equal the longest side squared or 39^2. If we plug in the numbers, it checks out!
Answer:
Step-by-step explanation:
Given : An automobile manufacturing plant produced 30 vehicles today: 10 were sedans, 9 were vans, and 11 were trucks.
Number of combinations of n things taking r at a time :
Number of ways to choose two vehicles out of 30 vehicles :-
Number of ways to choose two trucks out of 11 vehicles :-
Now, the the probability that two trucks will be selected will be :-
7 + 68 = 75
5 x 15 = 75
6 + 69 = 75
3 + 72 = 75
Answer:
Step-by-step explanation: what is the last word