Answer:
Step-by-step explanation:
<u>Step 1: Make an expression</u>
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<u>Step 2: Cross Multiply</u>
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<u>Step 3: Divide both sides by 4</u>
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Answer:
7 + (2 + 6) 2 ÷ 4 ⋅ (1/2)^4 A: 23 B: 18 C: 9 D: 8
1 answer:
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Length of the side = 9 cm
Diagonal = cm
Solution:
Area of the square = 81 square centimeters
In square all sides are equal.
Area of the square = side × side
Side × side = 81
Side² = 9² (∵81 = 9²)
Taking square root on both sides, we get
Side = 9 cm
Length of the side = 9 cm
To find the length of the diagonal:
In square all the angles are right angle.
Diagonal splits the square into two right angle triangle.
Using Pythagoras theorem,
<em>In right triangle, square of the hypotenuse is equal to the sum of the square of the other two sides.</em>
Here, diagonal is the hypotenuse.
Taking square root on both side,
Diagonal = cm
Answer:
Third option
Step-by-step explanation:
-10x+25=0 is the correct answer. 100% sure