Answer:
cos (A+B+C)
Step-by-step explanation:
as A,B,C, are triangle we have A,B and C as 180
cost
30 %
3/10 * 10 = 30/100
30/100= 30%
Answer:
1114$
Step-by-step explanation:
Answer:
(_1,_7),(_2,_6),(_3,_5),(_4,_4)(_5,_3)
The little squares at corner-B and corner-E were drawn there
to show that those are right angles.
