Answer:
31 1/2, or answer D
Step-by-step explanation:
Because you have three countertops which all have an area of 10 1/2 meaning you multiply 10.5x3 getting 31.5
Answer:
7.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
B
2
3
Let the distance of two consecutive stones are x, x+1.
In ΔBCD, we have
tan60
o
=
x
h
⇒x=
3
h
.....(i)
In ΔABC, we have
tan30
o
=
x+1
h
⇒
3
1
=
x+1
h
⇒
3
h
+1=
3
h ......[from equation (i)]
⇒
3
2h
=1
⇒h=
2
3
km
solution
Answer:
Step-by-step explanation: