Mathematics

How many pairs of adjacent angles, in all, can you name in Fig.


ANSWER

10


SOLUTION
Number of pair of adjacent angles, from the figure, are :
$$\angle EOC$$ and $$\angle DOC$$
$$\angle EOD$$ and $$\angle DOB$$
$$\angle DOC$$ and $$\angle COB$$
$$\angle EOD$$ and $$\angle DOA$$
$$\angle DOC$$ and $$\angle COA$$
$$\angle BOC$$ and $$\angle BOA$$
$$\angle BOA$$ and $$\angle BOD$$
$$\angle BOA$$ and $$\angle BOE$$
$$\angle EOC$$ and $$\angle COA$$
$$\angle EOC$$ and $$\angle COB$$
$$\therefore$$  There are $$10$$ pairs of adjacent angles.
View Answers

You're just one step away

Create your Digital Resume For FREE on your name's sub domain "yourname.wcard.io". Register Here!


One Word Medium Published on 09th 09, 2020
Next Question
Questions 120418
Subjects 10
Chapters 88
Enrolled Students 87
Enroll Now For FREE

Realted Questions

Q1 Subjective Medium
In three line segments $$OA, OB$$ and $$OC$$ points $$L, M, N$$ respectively are so chosen that $$LM$$ is parallel to $$AB$$ and $$MN$$ is parallel to $$BC$$ but neither of $$L, M, N$$ nor of $$A, B, c$$ are collinear. Show that $$LN$$ is parallel to $$AC$$.

Asked in: Mathematics - Straight Lines


1 Verified Answer | Published on 17th 08, 2020

View Answer
Q2 Single Correct Medium
An angle which measures more than $$\displaystyle 0^{o}$$ and less than $$\displaystyle 90^{o}$$ is called:
  • A. obtuse
  • B. acute
  • C. right
  • D. none

Asked in: Mathematics - Lines and Angles


1 Verified Answer | Published on 09th 09, 2020

View Answer
Q3 Single Correct Medium
In given figure find $$x$$ 
  • A. $$120^{0}$$
  • B. $$130^{0}$$
  • C. $$140^{0}$$
  • D. $$110^{0}$$

Asked in: Mathematics - Lines and Angles


1 Verified Answer | Published on 09th 09, 2020

View Answer
Q4 Single Correct Medium
In the above figure, $$ABC$$ is a right-angled triangle, right angled at $$B$$ and $$AD$$ is the external bisector of angle $$A$$ of triangle $$ABC$$.

Find $$AD$$, if $$AC= 17 \,cm$$ and $$BC = 8 \,cm$$.
  • A. $$15 \,cm$$
  • B. $$23 \,cm$$
  • C. $$60 \,cm$$
  • D. $$15\sqrt{17} cm$$

Asked in: Mathematics - Lines and Angles


1 Verified Answer | Published on 09th 09, 2020

View Answer
Q5 Single Correct Medium
Based on the given figure, which of the following statements is true?
  • A. $$\angle\, 5$$ and $$\angle\, 7$$ are supplementary angles.
  • B. $$\angle\, 7\, =\, 55^\circ$$
  • C. $$\angle\, 8$$ and $$\angle\, 1$$ are corresponding angles.
  • D. $$\angle\, 4$$ and $$\angle\, 5$$ are alternate angles.

Asked in: Mathematics - Lines and Angles


1 Verified Answer | Published on 09th 09, 2020

View Answer