Answer:
sin 63° = a / 10
Step-by-step explanation:
With reference angle A
Sin A = BC / AB
Sin 63° = a / 10
Hope it will help :)
Answer:
21, 17, 13
Step-by-step explanation:
Find the mean of the 2 given values
mean =
=
= 17
Noe find the mean of 25 and 17 and 17 and 9
mean =
=
= 21 and
mean =
=
= 13
Thus the 3 means are 21, 17 and 13, that is
25, 21, 17, 13, 9
Answer:
8
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
area= length times width
1 times 10= 10 times 2= 20
2 times 10=20
20+20=40