Question

Help me please......

Answer 1

`\huge \: 19`

Explanation:

to understand this

you need to know about:

• equation
• triangles congruency
• PEMDAS

TIPS AND FORMULAS:

• when two triangles are congruent the included angles and sides of the triangles are equal

let's solve:

`2x - 9 = x + 5`

`step - 2 :solve`

`2x = x + 5+ 9`

`2x = x + 14`

`2x - x = 14`

`x = 14`

given:

KL=2x-9

=2.14-9

=28-9

=19