33 degrees,
90-57=33
complementary angles mean that together, the angles add up to equal 90 degrees
13) The points A (9,0), B (9,6), C(-9,6), D(-9,0) are the vertices of
<u>A)</u><u> </u><u>square</u><u> </u><u>✓</u><u>✓</u><u>✓</u>
B) rectangle
C) rhombus
D) trapezium.
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Answer:
A frequency table is records the number of observations falling in each interval. They are useful for analyzing data and for screening data for data entry errors.
