MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Finding Unknown Angles

Find the valu...

Question

Find the values of 'x' and 'y' in the following diagrams

A

X = 60^{;} y = 90^{0}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

X = 30^{;} y = 90^{0}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

X = 40^{;} y = 90^{0}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

X = 60^{;} y = 60^{0}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $X = 60^{;} y = 90^{0}$
Hence
$x = 60^{o}$ [opposite angle]

and, in $Δ A B C$
$y + x + 30 = 180$
$y = 180 - 30 - 60$
$y = 90^{o}$
so $x = 60^{o}, y = 90^{o}$

Suggest Corrections

thumbs-up

0

Similar questions

10

points of observations on two variables

X

Y

, the following data are available:

\sum (x - 2) = 30, \sum y - 5 = 40, \sum (x - 2)^{2} = 900

\sum (y - 5)^{2} = 800, \sum (x - 2) (y - 5) = 480

.
Find the correlation coefficient between

X

Y

10

pairs of observation on two variables

x

y

, the following data are available.

\sum (x - 2) = 30, \sum (y - 5) = 40, \sum (x - 2)^{2} = 900

.

\sum (y - 5)^{2} = 800, \sum (x - 2) (y - 5) = 480

.
Find the correlation coefficient between

x

y

Q. If x and y vary inversely as each other and
(i) x = 3 when y = 8, find y when x = 4
(ii) x = 5 when y = 15, find x when y = 12
(iii) x = 30, find y when constant of variation = 900.
(iv) y = 35, find x when constant of variation = 7.

Q. The median of the following data is

525

. Find the values of

x

y

, if the total frequency is

100

Class interval	Frequency
$0 - 100$	$2$
$100 - 200$	$5$
$200 - 300$	$x$
$300 - 400$	$12$
$400 - 500$	$17$
$500 - 600$	$20$
$600 - 700$	$y$
$700 - 800$	$9$
$800 - 900$	$7$
$900 - 1000$	$4$

Using the information given in the figure, the values of x and y are __________________

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Finding unknown angles

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Finding Unknown Angles

Standard VII Mathematics

Join BYJU'S Learning Program

CrossIcon