Lesson
2
Complementary Angles
What's New
Activity 4: Find Me Too
Let's Find Out: Sum of Two Angles
Let's Use These Materials: answer sheet and ballpen
Let's Do It This Way:
A. Based on the figure below, find the sum of the two angles. Then
answer the questions that follow.
B. Write your answer in your answer sheet.
Figure 1:
MA
Consider <MAN and ZTAN
309
K600
A
T T
MA
Figure 2:
Consider LSUN and LMON
509
400
ड
2
Complementary Angles
What's New
Activity 4: Find Me Too
Let's Find Out: Sum of Two Angles
Let's Use These Materials: answer sheet and ballpen
Let's Do It This Way:
A. Based on the figure below, find the sum of the two angles. Then
answer the questions that follow.
B. Write your answer in your answer sheet.
Figure 1:
MA
Consider <MAN and ZTAN
309
K600
A
T T
MA
Figure 2:
Consider LSUN and LMON
509
400
ड
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Answers & Comments
Answer:
figure 1
m< MAN=30 m< TAN =60
30 +60 = 90
figure 2
m<SUN = 40 m<MON =50
40+50=90