Square root of 64 times square root of 4 divided by 4 times square root of 36 plus 4

18 and 1/2

Step-by-step explanation:

Equation: 64sq+4sq/4+36sq+4

Square root of 64 is 8, and square root of 4 is 2, and square root of 36 is 6, so here is our new equation:

=8+2/4+6+4

=8+1/2+6+4

=18 1/2

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d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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