148k views
0 votes
Julian's shadow is 6 feet long. At the same time a 31 foot tall building casts a shadow that is 28 feet long. What proportion could be used to find Julian's height?

A)
x
6
=
31
28
B)
x
6
=
28
31
C)
6
x
=
31
28
D)
x
28
=
31
6

User Ana
by
6.5k points

2 Answers

4 votes
j/6=31/28 because of similar triangles....

j=6.64ft
User Alex Varghese
by
6.8k points
4 votes

Answer: Option 'A' is correct.

Step-by-step explanation:

Since we have given that

Length of Julian's shadow = 6 feet

Height of tall building = 31 feet

Length of shadow of building = 28 feet

Let Height of Julian be x

Since there is direct variation between height and shadow,so

Required proportion will be


(x)/(6)=(31)/(28)

Now, we'll calculate the value of x i.e. height of Julian,


x=(31* 6)/(28)=6.64\ feet.

Hence, Option 'A' is correct.

User GrGr
by
6.8k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.