if have one balck guy that is 5'2 and one white guy that is 6'4. How taller is the black guy? Here is also another question (7×99)÷(88÷19+15)=?

c.   x=2.4cm

step-by-step explanation:

similar triangles are triangles which have the same shape but not the same size. this means their angle measures are equal but their side lengths are not instead they are proportional. to solve, we will set up a proportion and solve.

a proportion is two equal ratios set equal to each other. we form the ratios by finding corresponding sides (sides which match to each other on both triangles by their position). out ratios will be one side of the small triangle over the corresponding side on the big triangle as shown below:

.

to solve the proportion, we'll cross multiply by multiplying numerator with denominator across the equal sign.

3

step-by-step explanation:

there were only 2 presidents that were under the age of 45. theodore roosevelt, and jfk, that makes 5%