I will mark brainlest to first and all answer
22. Simplify the expression 2(a
2
+ ab) – ab and find its value if, a = 5 and b = 2
23. Draw the Top, Side and Front view of the solid:
Top
Side
Front
24. Give the order of the rotational symmetry of the given figures about the point marked ‘X’
25. Simplify:-
125 X 53 X t5
_______________
503 X t3
SECTION-D
26. From the sum of 4 + 3x and 5 – 4x + 2x2
, subtract the sum of
3x
2
– 5x and –x
2
+ 2x + 5
27. From a circular card sheet of radius 14 cm, two circles of radius 3.5 cm and a rectangle of
length 3 cm and breadth 1cm are removed. (as shown in the adjoining figure). Find the area of the remaining sheet
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Step-by-step explanation:
I will mark brainlest to first and all answer
22. Simplify the expression 2(a
2
+ ab) – ab and find its value if, a = 5 and b = 2
23. Draw the Top, Side and Front view of the solid:
Top
Side
Front
24. Give the order of the rotational symmetry of the given figures about the point marked ‘X’
25. Simplify:-
125 X 53 X t5
_______________
503 X t3
SECTION-D
26. From the sum of 4 + 3x and 5 – 4x + 2x2
, subtract the sum of
3x
2
– 5x and –x
2
+ 2x + 5
27. From a circular card sheet of radius 14 cm, two circles of radius 3.5 cm and a rectangle of
length 3 cm and breadth 1cm are removed. (as shown in the adjoining figure). Find the area of the remaining sheet
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