3 years ago

Please help I need this done by tonight!!

Mathematics

2 answers:

Cloud [144]3 years ago

7 0

Answer:

answer is 10

Step-by-step explanation:

(4x+12)+(4x+12)+(5x+26)=180[sum of isosceles triangles]

8x+34+5x+26=180

X=10

brilliants [131]3 years ago

4 0

(4x+12) + (4x+12) + (5x+26) = 180
13x + 50 = 180
13x = 130
X = 10

Now that you found the value of x, plug that number into the equations they gave you for the angles...
angles G and H = 4(10) + 12 = 52
angle I = 5(10) + 26 = 76

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