Question

I really need help plzzzzz​

Answer 1

• All similar, see below

Explanation:

Q1

Angles

• 26° & 64° & 90°
• AA similarity

Q2

Ratios of corresponding sides:

• 6/8 = 9/12 = 12/16 ⇒ 3/4
• SSS similarity

Q3

Angle C is vertical

• ∠ACB ≅ ∠DCE

Ratios of corresponding sides:

• 9/15 = 18/30 ⇒ 3/5
• SAS similarity