Math, asked by rikkin30, 1 year ago

both questions please

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Answered by Sharlo
1

Answer:

Change the table from less than to C.I and find the frequencies,

Step-by-step explanation:mode=l+ [n/2-cf/f] *h

N/2 =80/2=40

Therefore, modal class= 40-50

Mode= 40+[ 40-36/20] * 10

Mode= 40+ 1/5*10

= 40+2

Mode= 42


Sharlo: Also for the first part you can take PS/SQ=PT/TR and substitute the va
Sharlo: values.... you’ll get it in the same ratio
Sharlo: and by reverse of BPT ST// QR WILL BE PROVED !!!!
Sharlo: and for the area you can take the square of the ratio of one pair of sides and get the answer ......
Sharlo: HOPE THIS HELPS!!!!
rikkin30: thx a lot
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