2 answers:
Answer:
The value of x is 100 (d)
Step-by-step explanation:
The only important point is to know that
The sum of interior angles of a triangle is 180 and now the problem is easy.
Hope you understand
Step-by-step explanation:
we know that,
- sum of interior angle of triangle is 180°
Now,
In ∆QSO,
∠Q + ∠S + ∠O = 180°
35° + 30° + ∠O = 180°
∠O = 180° - 65°
<h3>∠O = 115°</h3>
Now,
we know that,
- sum of all angles in a straight line is 180°
∠SOQ + ∠SOR = 180°
115° + ∠SOR = 180°
∠SOR = 180° - 115°
<h3>∠SOR = 65°</h3>
Now,
In ∆RTO,
∠R + ∠T + ∠O = 180°
35° + ∠T + 65° = 180°
∠T = 180° - 100°
<h3>∠T = 80°</h3>
Now,
∠T + ∠x = 180°
80° + ∠x = 180°
∠x = 180° - 80°
<h3>∠x = 100°</h3>
Therefore,
Option D is correct ✔.
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Answer:
A
Step-by-step explanation:
It's A
Answer:
x = -9, -3
Step-by-step explanation:
x^2 + 12x + 27 = 0
We need 2 numbers whose product is + 27 and whose sum is + 12. These are 3 and 9. So the factors are:-
(x + 3)(x + 9) and this = 0
So (x + 3) = 0 or x + 9 = 0
x = -3 , -9
It is true and stands for 4.06
Yes fam they are...........