What is the value of x in the figure below? In this diagram, triangle ABD- triangle CAD .

The value of x in the figure showing triangles ABD & triangle CAD is;

x = √39

Now, corresponding sides of 2 congruent triangles usually have same ratio.

BD/AD = AD/DC

Thus; 3/x = x/13

cross multiply to get;

x² = 13 × 3

x² = 39

take square roots of both sides to get;

x = √39

Read more at; link

D

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

= , substitute values

= ( cross- multiply )

x² = 39 ( take the square root of both sides )

x = → D

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles

beth buys 10 x shirts and still has more than 100 in her account