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creativ13 [48]
3 years ago
12

How do I solve for X? 20 points.

Mathematics
2 answers:
Arlecino [84]3 years ago
7 0

Step-by-step explanation:

\underline{ \underline{ \text{Given}}} :

  • \angle \: ABC = 65 \degree

\underline{ \underline{  \text{To \: Find}}} :

  • Value of x

\underline{ \underline { \text{Solution}}} :

\angle \: ACB =  \angle \: ABC = 65 \degree [ Base angles of isosceles triangle are equal ]

x \degree + 65 \degree + 65  \degree = 180 \degree [ Sum of angle of a triangle ]

⟼ x \degree + 130 \degree = 180 \degree

⟼ x \degree = 180 \degree - 130 \degree

⟼ x = 50 \degree

\red{ \boxed{ \boxed{ \tt{Our \: final \: answer :  \boxed{ \underline{ \tt{x = 50 \degree}}}}}}}

Hope I helped ! ♡

Have a wonderful day / night ! ツ

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

ivolga24 [154]3 years ago
3 0
That triangle is isosceles, so the bottom two angles will always be equal. With that said, the equation will be 2(65), and that equals 130. After that, subtract 180-130, and that gives you x! In total, your calculations should look like this:
2(65)
180-130
x=50°
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