Math, asked by preetchopra069, 10 months ago

40/
than to return downstream at the same spot. Find the specu ulu
For the following frequency distribution, draw a cumulative frequency curve of more than
type' and hence, obtain the median.
10 -10
Class
Frequency
quency
10-20
15
20 - 30 T 30 - 40
20
23
40-50
17
50-60
11
60 - 70
9
1
OR​

Answers

Answered by arsh122100
0

Answer:

In △ABC AB=AC

⇒∠B=∠C (Angles opposite to equal sides are equal)

Now using angle sum property

∠A+∠B+∠C=180

⇒80

+∠C+∠C=180

⇒2∠C=180

−80

⇒∠C=

2

100

=50

now ∠C+∠x=180

(Angles made on straight line (AC) are supplementary)

⇒50

+∠x=180

⇒∠x=180

−50

=130

@ARSH

insta@_arsh_deep_29

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