🔥1
❤1
If tan 2A = cot (A - 18°), where 2A is an acute angle, find the value of A.
Anonymous Quiz
17%
18°
32%
24°
41%
36°
10%
48°
🔥1
If 5 tan θ = 4, then the value of (5 sin θ - 3 cos θ) / (5 sin θ + 2 cos θ) is:
Anonymous Quiz
12%
0
31%
1
51%
1/6
6%
6
🔥3
✨ Quote of the Day
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Success is the sum of small efforts repeated day in and day out! 💪
✅ Today's quiz on Introduction to Trigonometry is complete! Well done! 🎉
➡️ Tomorrow's Topic
Some Applications of Trigonometry
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NEXT QUIZ IN @class_10_science_notes in which quiz is going to start in 1 minute.
Some Applications of Trigonometry
📍 Channel: @Class_10_math_notes
See you tomorrow! 👋
NEXT QUIZ IN @class_10_science_notes in which quiz is going to start in 1 minute.
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Last updated on 20th November 2025
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📢 Today's Quiz Topic
Circles
⏰ The quiz will start in 10 seconds! Get ready! 🧠
Circles
⏰ The quiz will start in 10 seconds! Get ready! 🧠
❤1
A circle is inscribed in a right-angled triangle with sides 8 cm, 15 cm, and 17 cm. The radius of the inscribed circle is:
Anonymous Quiz
14%
2 cm
31%
3 cm
44%
4 cm
10%
5 cm
The angle between a tangent to a circle and the radius through the point of contact is:
Anonymous Quiz
6%
30°
19%
45°
15%
60°
59%
90°
❤1🥰1
A line that intersects a circle at two distinct points is called a:
Anonymous Quiz
24%
Tangent
46%
Secant
24%
Chord
7%
Diameter
❤3
A circle touches the side BC of a ΔABC at P and touches AB and AC when produced at Q and R respectively. If the perimeter of ΔABC is 20 cm, what is the length of AQ?
Anonymous Quiz
17%
5 cm
52%
10 cm
24%
15 cm
7%
20 cm
😱1
A circle can have a maximum of how many parallel tangents?
Anonymous Quiz
10%
1
45%
2
12%
4
33%
Infinite
❤1
Two circles touch each other externally at point C. A common tangent AB is drawn touching the circles at A and B. Then, the measure of ∠ACB is:
Anonymous Quiz
16%
60°
37%
45°
9%
30°
38%
90°
If two tangents inclined at an angle of 60° are drawn to a circle of radius 3 cm, then the length of each tangent is:
Anonymous Quiz
37%
3√3 cm
29%
6 cm
17%
3 cm
18%
√3 cm
❤2
If tangents PA and PB from a point P to a circle with centre O are inclined to each other at an angle of 80°, then what is the measure of ∠POA?
Anonymous Quiz
15%
40°
37%
50°
21%
80°
26%
100°
How many tangents can be drawn to a circle from a point lying inside the circle?
Anonymous Quiz
38%
0
25%
1
18%
2
19%
Infinite
A parallelogram circumscribing a circle is always a:
Anonymous Quiz
18%
Trapezium
36%
Rectangle
32%
Rhombus
14%
Square