Question

Please answer this question!!

Answer 1

• 12.25

Explanation:

It is easy to notice that:

• QA=QB=QC

As per triangle congruence theorem (two congruent sides and a right angle)

Since:

• QB = x + 9 and QC = 5x - 4

We have

• x + 9 = 5x - 4
• 5x - x = 9 + 4
• 4x = 13
• x = 13/4
• x = 3.25

QA = QB = QC = 3.25 + 9 = 12.25