Select the similarity statement for ΔPQR

(with m∠P=28°
, m∠Q=115°
) ΔXYZ
( m∠X=28°
, m∠Z=115°
).
Responses

ΔPQR∼ΔXZY

ΔPQR∼ΔXZY
- no response given

ΔPQR=ΔXZY

ΔPQR=ΔXZY
- incorrect

ΔPQR∼ΔXYZ

ΔPQR∼ΔXYZ
- no response given

ΔPQR=ΔXYZ

1 answer

To determine the similarity statement for ΔPQR and ΔXYZ, we need to check the angles.

Given:

  • For ΔPQR:

    • m∠P = 28°
    • m∠Q = 115°
  • For ΔXYZ:

    • m∠X = 28°
    • m∠Z = 115°

To find m∠Y in ΔPQR, we can use the fact that the sum of angles in a triangle is 180°:

m∠R = 180° - m∠P - m∠Q m∠R = 180° - 28° - 115° = 37°

Now, since we have:

  • m∠P = m∠X = 28°
  • m∠Q (not given for ΔXYZ) is not relevant since we need to check the angles that are given.

Next, for ΔXYZ, since we have:

  • m∠Z = 115°
  • We can find m∠Y the same way: m∠Y = 180° - m∠X - m∠Z m∠Y = 180° - 28° - 115° = 37°

Now we have:

  • m∠P = m∠X = 28°
  • m∠R = m∠Y = 37°
  • m∠Q = m∠Z = 115°

Since the angles are all equal (28°, 115°, and 37° in both triangles), we can conclude that:

ΔPQR ∼ ΔXYZ.

The correct similarity statement is therefore: ΔPQR ∼ ΔXYZ.