In the diagram below de and ef are tangent to o0. which expression gives measure of def

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

hope it will

#faazmessi

answer: howdy

step-by-step explanation:

47 - 90 = 43

43 - 180 = x

x = 137

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!