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Read the text carefully and answer the questions:

Ashok is studying in 9th class in Govt School, Chhatarpur. Once he was at his home and was doing his geometry homework.
He was trying to measure three angles of a triangle using the Dee, but his dee was old and his Dee's numbers were erased and the lines on the dee were visible.
Let us help Ashok to find the angles of the triangle.
He found that the second angle of the triangle was three times as large as the first. The measure of the third angle is double of the first angle.
What was the value of the first angle?
  • a)
    60°
  • b)
    90°
  • c)
    30°
  • d)
    45°
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Read the text carefully and answer the questions:Ashok is studying in ...
30°
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Read the text carefully and answer the questions:Ashok is studying in ...
Let the angles be x, 2x and 3xand then add all the interior angles
so, 10x =180
x =180/10
x = 3

So, x = 30
2x = 2×30 = 60
3x = 3× 30 = 90

therefore angles are 30, 60 and 90
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Read the text carefully and answer the questions:Ashok is studying in 9th class in Govt School, Chhatarpur. Once he was at his home and was doing his geometry homework.He was trying to measure three angles of a triangle using the Dee, but his dee was old and his Dees numbers were erased and the lines on the dee were visible.Let us help Ashok to find the angles of the triangle.He found that the second angle of the triangle was three times as large as the first. The measure of the third angle is double of the first angle.What was the value of the first angle?a)60°b)90°c)30°d)45°Correct answer is option 'C'. Can you explain this answer?
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Read the text carefully and answer the questions:Ashok is studying in 9th class in Govt School, Chhatarpur. Once he was at his home and was doing his geometry homework.He was trying to measure three angles of a triangle using the Dee, but his dee was old and his Dees numbers were erased and the lines on the dee were visible.Let us help Ashok to find the angles of the triangle.He found that the second angle of the triangle was three times as large as the first. The measure of the third angle is double of the first angle.What was the value of the first angle?a)60°b)90°c)30°d)45°Correct answer is option 'C'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Read the text carefully and answer the questions:Ashok is studying in 9th class in Govt School, Chhatarpur. Once he was at his home and was doing his geometry homework.He was trying to measure three angles of a triangle using the Dee, but his dee was old and his Dees numbers were erased and the lines on the dee were visible.Let us help Ashok to find the angles of the triangle.He found that the second angle of the triangle was three times as large as the first. The measure of the third angle is double of the first angle.What was the value of the first angle?a)60°b)90°c)30°d)45°Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the text carefully and answer the questions:Ashok is studying in 9th class in Govt School, Chhatarpur. Once he was at his home and was doing his geometry homework.He was trying to measure three angles of a triangle using the Dee, but his dee was old and his Dees numbers were erased and the lines on the dee were visible.Let us help Ashok to find the angles of the triangle.He found that the second angle of the triangle was three times as large as the first. The measure of the third angle is double of the first angle.What was the value of the first angle?a)60°b)90°c)30°d)45°Correct answer is option 'C'. Can you explain this answer?.
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