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 :)
If we call the number "x" then:
x*25%=21
x*25/100=21
x=21*4
x=84
Answer:
B
Step-by-step explanation:
3(2+x)
distribute
=6+3x
Answer:
8
Step-by-step explanation:
Formula for height of triangle
A÷BX2
In this case, 48÷12=4×2=8
Hope you understand ☺️