if a technologically advanced civilization in a nearby star system transmitted messages intended for us, how long would it take for the messages to reach us?
a) a few minutes
b) a few days
c) several months
d) several years

if triangle abc is congruent to triangle def, their interior angles are congruent, because congruent parts of congruent triangles are congruent (cpctc).

that means ∠d is congruent to ∠a; ∠d is equal to 8x - 2.

interior angles of all triangles add to equal 180 degrees, so you can set the sum of these interior angle values equal to 180 and solve for x.

180 = (8x - 2) + 22 + 72

180 = 8x - 2 + 22 + 72

180 = 8x + 92

88 = 8x

11 = x

x = 11

no we should not be nervous we should have that confident to do works and should have faith on own self hop u got answer

yess

explanation: