Question

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 (angle A=2, angle B=1,

angle ACB=3, angle ACD=4) of a triangle using his protractor, but his protractor was old and his

protractor’s numbers were erased and the lines on protractor 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.

Now answer the following questions: 2+2+2=6

(i) What was the value of the first angle?

(ii) What was the sum of all three angles measured by Ashok?

(iii) What was the value of the angle 4 shown in the figure?

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Answer 1

Answer:

1) 2

2) 6

3) 4

Explanation:

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Answer 2

Answer:

Define active immunity and its subtypes_??

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