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Class 9
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>>Quadrilaterals and Their Various Types
>>In Fig. 6.43, if PQ PS, PQ∥ SR, SQR = 2
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In Fig. 6.43, if PQ⊥PS,PQ∥SR,∠SQR=28
0
and ∠QRT=65
0
, then find the values of x and y.
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Solution
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Given, PQ⊥PS,PQ∥SR,∠SQR=28
∘
,∠QRT=65
∘
According to the question,
x+∠SQR=∠QRT (Alternate angles as QR is transversal.)
⇒x+28
∘
=65
∘
⇒x=37
∘
Also ∠QSR=x
⇒∠QSR=37
∘
Also ∠QRS+∠QRT=180
∘
(Linear pair)
⇒∠QRS+65
∘
=180
∘
⇒∠QRS=115
∘
Now, ∠P+∠Q+∠R+∠S=360
∘
(Sum of the angles in a quadrilateral.)
⇒90
∘
+65
∘
+115
∘
+∠S=360
∘
⇒270
∘
+y+∠QSR=360
∘
⇒270
∘
+y+37
∘
=360
∘
⇒307
∘
+y=360
∘
⇒y=53
∘
Step-by-step explanation:
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I think it is 1.6
sorry if i am wrong
What is the interquartile range of the following numbers: 5, 7, 8, 8, 10, 12, 14, 15, 16, 18, 20?
Finger [1]
The median is 12 so:-
First quartile is 8 and 3rd quartile is 16
so the interquartile range = 16 - 8 = 8 Answer
Answer:
Ratios measure the relationship between two or more components of financial statements. They are used most effectively when results over several periods are compared. This allows you to follow your company's performance over time and uncover signs of trouble.
Step-by-step explanation:
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