4 years ago

I WILL AWARD BRAINLIEST!! PLEASE HELP!!!

Mathematics

2 answers:

Firlakuza [10]4 years ago

5 0

Answer:

C. 120°

Step-by-step explanation:

Let angle A be x, then angle C is 2x

The sum of the angles in ABC is

A + B+ C = 180

x+90 +2x = 180

3x +90 = 180

3x= 90

Divide by 3

x = 90/3

x = 30

Angle A = 30, Angle C = 2x = 60

AH = BH, so it is an isosceles triangle . That means A and ABH are equal

A = 30 , ABH = 30

The sum of the angles in ABH must equal 180

A + ABH + BHA = 180

30 + 30 + BHA = 180

60 + BHA = 180

BHA = 180-60

BHA = 120

solong [7]4 years ago

3 0

Answer:

Step-by-step explanation:

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