Answered

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PLS HELP

A triangle is shown.

Part A: What is the value of x, in degrees?
13.8
16
20
24
Part B: What is the measure of 2Ain degrees?
22
30
38
48

PLS HELP A Triangle Is Shown Part A What Is The Value Of X In Degrees 138 16 20 24 Part B What Is The Measure Of 2Ain Degrees 22 30 38 48 class=

Sagot :

cairde

Answer:

A: x=16

B: ∠A=22

Step-by-step explanation:

A

The angles in a triangle always add up to 180. Therefore:

∠A+∠B+∠C=180

(2x-10)+(3x)+(4x+46)=180

2x+3x+4x+46-10=180

9x=180-36

x=144/9

x=16

B

∠A=2x-10

∠A=2(16)-10

∠A=32-10

∠A=22

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