Description (Added)
ব্যস = কর্ন= 4√2
ব্যাসার্ধ= 2√2
বৃত্তের ক্ষেত্রফল= πr^ 2
= π*(2√2)^ 2
= 8π
180°-(28°+62°)= 90° (সমকোণী)
MCQ
pending
Log√8^x= 10/3
x= (√8)^ 10/3
X= 2^ (3/2)×(10/3)
= 2^5
= 32
MCQ
pending
½×2^x-3 +1= 5
2^x-3= (5-1)×2
2^x-3= 8
2^x-3= 2^3
x-3= 3
x=6
MCQ
pending
3x-y= 3
5x+y= 21
After adding
8x = 24
X= 3
Then,
3×3-y= 3
y= 6
(x,y)= (3,6)
2:3
2+3= 5
300÷5 = 60
2:3= 2×60: 3×60 = 120:180
C=P(1+r)^n
= 400×(1+5/100)^2
=400×(105×105)/100×100)
= 441
log2+log4+log8+
=log2+2log2+3log2+
d= 2log2-log2= log2
Ans: log2
S=(320+180)= 500m= 0.5 km
V= 75km/h
S= Vt
t= S/V = 0.5/75= 1/150 hour = (60×60)/150 = 24 sec
Ans: 24 sec
পরিসীমা 3a= 9
বাহু a = 3
উচ্চতা= √3a/2 = 3√3/2
Ans: 3√3/2
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