Question

Bart found 20 quadrilaterals in his classroom. He made a Venn diagram using the properties of the quadrilaterals, comparing those with four equal side lengths (E) and those with four right angles (R).



Given that a randomly chosen quadrilateral has four right angles, what is the probability that the quadrilateral also has four equal side lengths? Express your answer in percent form, rounded to the nearest whole percent.

%

Answer 1

@jim_thompson5910

Answer 2

`Given that a randomly chosen quadrilateral has four right angles`
how many quadrilaterals have four right angles?

hint: focus on the R circle

Answer 3

6..

Answer 4

you're missing a value

Answer 5

6 &2

Answer 6

6+2 = 8 in the R circle

Answer 7

how many have 4 equal sides AND 4 right angles?

Answer 8

8

Answer 9

look at the very center

Answer 10

2 sorry

Answer 11

so 2/8 = 1/4 = 0.25 = 25%

Answer 12

okay i get it now