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USPshnik [31]
3 years ago
13

Yoo I don't understand this pls help :))geometry ​

Mathematics
1 answer:
Luden [163]3 years ago
7 0

Answer:

At the bottom of the text.

Step-by-step explanation:

The triangle is isosceles. The measure of the two internal angles J and K are equal; The misure of the external K angle (2) is half a circle minus the internal K (1). The internal angle in R is calculated by difference between 180 and twice the internal K angle (1).

1. 72° as well.

2. 180-70-70 = 40°

3. m\angle2 = 110 \rightarrow m\angle1 =70, Same as #2: 40°

4. x+2x+2x = 180 \rightarrow 5x=180 \righarrow x= 36

5. x +(x+30)+(x+30) = 180 \rightarrow 3x +60 = 180 \rightarrow 3x= 120 \rightarrow x=40

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Answer:

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