3 years ago

Can somebody help me with this please!

Mathematics

2 answers:

Vinvika [58]3 years ago

3 0

Answer:

80 degrees

Step-by-step explanation:

the sides add upp to 180 degrees so 180-70-30=80

Komok [63]3 years ago

3 0

Answer:

x=80 deg

Step-by-step explanation:

It is known that the sum of the 3 angles of a triangle is equivalent to 180 deg (As the Triangle Sum Thm states). Therefore:

70+30+x=180

100+x=180

Subtract 100 from both sides to get x on one side, by itself:

100-100+x=180-100

Solve:

x=80 deg

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