Lets rock
Systems of linear equations
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<h1>Grade 8 and Grade 10 Worksheets</h1>
<h2>Grade 8 Worksheet</h2>
<h3>Choose correct answer(s) from the given choices</h3>
<p>
<strong>(1)</strong> Some oranges are packed into a box in stacks. Each stack has the same number
of oranges in each row as the number of rows. The number of stacks is also the same as the number
of rows. If there are 73 stacks of oranges in the box, what is the total number of oranges in the box?
</p>
<p>
 a. 389017 <br>
 b. 389399 <br>
 c. 388647 <br>
 d. 388554
</p>
<p>
<strong>(4)</strong> What is the length of the side of a square, if the length of its diagonal is \(32 \, \text{cm}\)?
</p>
<p>
 a. \(18 \, \text{cm}\) <br>
 b. \(16 \, \text{cm}\) <br>
 c. \(16\sqrt{2} \, \text{cm}\) <br>
 d. \(18\sqrt{2} \, \text{cm}\)
</p>
<h3>Answer the questions</h3>
<p>
<strong>(6)</strong> What is the value of:
</p>
<p>
\[
13 \times 13 - 2 \times 11 \times 13 + 11 \times 11
\]
</p>
<h2>Grade 10 Worksheet</h2>
<h3>Choose correct answer(s) from the given choices</h3>
<p>
<strong>(1)</strong> Sides of some triangles are given below. Determine which of them does not represent the correct sides of a right-angled triangle.
</p>
<p>
 a. \(21 \, \text{cm}, 20 \, \text{cm}, 29 \, \text{cm}\) <br>
 b. \(13 \, \text{cm}, 84 \, \text{cm}, 85 \, \text{cm}\) <br>
 c. \(7 \, \text{cm}, 4 \, \text{cm}, 15 \, \text{cm}\) <br>
 d. \(80 \, \text{cm}, 192 \, \text{cm}, 208 \, \text{cm}\)
</p>
<p>
<strong>(5)</strong> A \(5 \, \text{m}\) high tower casts a \(5\sqrt{3} \, \text{m}\) long shadow on the ground. Find the angle of Sun's elevation.
</p>
<p>
 a. \(30^\circ\) <br>
 b. \(45^\circ\) <br>
 c. \(37.5^\circ\) <br>
 d. \(60^\circ\)
</p>
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