Question

if L=7cm,b=5cm,h=4cm.then find L.s.a,t.s.a, volume of a cuboid?​

Answer 1

Answer:

3 cm.

Problems on Volume and Surface Area of Cuboid

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Therefore, (i) Volume = l × b × h = 5 × 4 × 3 cm3 = 60 cm3;

(ii) Surface area = 2(lb + bh + hl) = 2(5 × 4 + 4 × 3 + 3 × 5) cm2

= 2(20 + 12 + 15) cm2

= 94 cm2;

(iii) Length of a diagonal = l2+b2+h2−−−−−−−−−−√

= 52+42+32−−−−−−−−−−√ cm

= 50−−√ cm

= 5√2 cm.

Answer 2

Answer:

140

Step-by-step explanation:

first,into7,5,4

then,the answer is come