Find the value of x. 3
If necessary, you may learn what the markings on a figure indicate.
690
ro
x =

x=69

isosceles triangle are equal 69+69=138

180-138=42

180-42=138

138÷2=69

Step by step

Both triangles are isosceles.

For the right triangle:

69+69=138

180-138=42

For the right angle:

The 42 degrees meets at a right angle.

90-42=48

For the left triangle:

180-48=132

132÷2=66

x=66°

$9.41

step-by-step explanation:

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d