twice of x is 30 less than y then the value of x and y
Answers
Answer:
hope it help u
Step-by-step explanation:
According to question
2 x = y - 30°
⇒ y = 2x + 30° …… (i)
Also, we know that
sum of x + y = 180° …… (ii)
Tip:- Sum of supplementary angles = 180°
Straight lines measure 180°. That means that these two angles are supplementary.
Complementary angles form a right angle (L shape) and have a sum of 90°. Supplementary angles form a straight line and have a sum of 180°.
Now, putting the value of y in eq (ii), we get
⇒ x + 2x + 30° = 180
⇒ 3 x = 180° – 30°
⇒ x = 50°
And y = 2x + 30°
⇒ y = 2(50°) + 30°
⇒ y = 100° + 30°
⇒ y = 130°
Answer:
y:130
Step-by-step explanation:
1234567
Q. 55.0( 2 Votes )
Twice of x is 30°
Class 7th
Answer
According to question
2 x = y - 30°
⇒ y = 2x + 30° …… (i)
Also, we know that
sum of x + y = 180° …… (ii)
Tip:- Sum of supplementary angles = 180°
Straight lines measure 180°. That means that these two angles are supplementary.
Complementary angles form a right angle (L shape) and have a sum of 90°. Supplementary angles form a straight line and have a sum of 180°.
Now, putting the value of y in eq (ii), we get
⇒ x + 2x + 30° = 180
⇒ 3 x = 180° – 30°

⇒ x = 50°
And y = 2x + 30°
⇒ y = 2(50°) + 30°
⇒ y = 100° + 30°
⇒ y = 130°