WEDNESDAY, SEPTEMBER 21
WARM­UP:
SOLVE:
3X ­ 2 + X ­ 3 = 7
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CORRECT HOMEWORK:
PRACTICE 1.4A
PERIOD 4 # 27, 28
PERIOD 5 # 26 ­ 28
PERIOD 7 # 2
1.5 ANGLE PAIR RELATIONSHIPS
TWO ANGLES ARE COMPLEMENTARY ANGLES IF THE SUM OF THEIR MEASURES IS 90 . EACH ANGLE IS THE COMPLEMENT OF THE OTHER.
NAME THE COMPLEMENT OF EACH OF THE FOLLOWING:
1) 45
2) 52
3) 110
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TWO ANGLES ARE SUPPLEMENTARY ANGLES IF THE SUM OF THEIR MEASURES IS 180 . EACH ANGLE IS THE SUPPLEMENT OF THE OTHER.
NAME THE SUPPLEMENT OF EACH OF THE FOLLOWING:
1) 123
2) 85
3) 172
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COMPLEMENTARY ANGLES AND SUPPLEMENTARY ANGLES CAN BE ADJACENT ANGLES OR NONADJACENT ANGLES. ADJACENT ANGLES ARE TWO ANGLES THAT SHARE A COMMON VERTEX AND SIDE, BUT HAVE NO COMMON INTERIOR POINTS.
ADJACENT ANGLES NONADJACENT ANGLES
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IN THE FIGURE, NAME A PAIR OF COMPLEMENTARY ANGLES, A PAIR OF SUPPLEMENTARY ANGLES, AND A PAIR OF ADJACENT ANGLES.
ARE KGH AND LKG ADJACENT ANGLES?
ARE FGK AND FGH ADJACENT ANGLES?
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GIVEN THAT 1 IS A COMPLEMENT OF 2 AND m 2 = 8 , FIND m 1.
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GIVEN THAT 3 IS A SUPPLEMENT OF 4 AND m 3 = 117 , FIND m 4.
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LMN AND PQR ARE COMPLENTARY ANGLES. FIND THE MEASURES OF THE ANGLES IF m LMN = (4X ­ 2) AND m PQR = (9X + 1) .
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PAGES 38, 39 # 3 ­ 19 (ALL)
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