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3 years ago

ABC is isosceles.m < a = 3x + 40 and m < c = x + 50what is m < a ??

Mathematics

2 answers:

Tatiana [17]3 years ago

8 0

Answer:

solution given:

m<a=m<c

3x+40=x+50

3x-x=50-40

x=10/2=5

now

<a=3×5+40=55°

m<a=55° is your answer

il63 [147K]3 years ago

7 0

Answer:

55°

Step-by-step explanation:

It is assumed the angles A and C are congruent:

3x + 40 = x + 50
3x - x = 50 - 40
2x = 10
x = 5

m∠A = 3*5 + 40 = 55°

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ABC is isosceles.m < a = 3x + 40 and m < c = x + 50what is m < a ??​

ABC is isosceles.m < a = 3x + 40 and m < c = x + 50what is m < a ??