The answer to the question is c
Answer:
<h3>Q1</h3>
Angles forming a linear pair are supplementary and sum to 180°
- x + 8x = 180°
- 9x = 180°
- x = 20°
The smaller angle is 20°
<h3>Q2</h3>
A(-2, 10) reflected over x-axis
<u>Rule for such a reflection is:</u>
<u>Point A will map to:</u>
Correct option is D
<h3>Q3</h3>
One point is at the origin and two other points are at the distance m horizontally and vertically from the origin
<u>The last point will have same distance m from the point (m, 0) and (0, m) and this will be point:</u>
Answer:
462 cm²
Step-by-step explanation:
<u><em>Area of larger rectangle:</em></u>
=> 42*21
=> 882 cm²
<u><em>Area of smaller rectangle:</em></u>
=> 28*15
=> 420 cm²
<u><em>Area of shaded region:</em></u>
=> 882-420
=> 462 cm²