1.2 Angles & Similar Triangles A-Day

Find the measure of each marked angle.

a

b

c

20

30

60

70

10

80

90

40

100

50

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.5

Find the measure of each marked angle. Assume the lines are parallel.

a

b

49

149

31

59

131

159

Tags

CCSS.8.G.A.5

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.5

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.5

The following triangle is a(n)​ (a)   ​ triangle.

• obtuse
• acute
• right

Tags

CCSS.4.G.A.2

The following triangle is a(n)​ ​ (a)   triangle.

• isosceles
• scalene
• equilateral

Tags

CCSS.4.G.A.2

What is the length of side b?

Mathematical Equivalence

ON

Tags

CCSS.HSG.SRT.A.2

A tree casts a shadow 36 feet long. At the same time, the shadow cast by a vertical 7-ft pole is 4 ft long. what is the height of the tree?

Mathematical Equivalence

OFF

Tags

CCSS.HSG.SRT.C.8

On a photograph of a triangular piece of land, the lengths of the three sides are 12 cm, 15 cm, and 21 cm respectively. The shortest side

of the actual piece of land is 300 m long. What is the length of the side that corresponds to the 21 cm length in the photograph?

Mathematical Equivalence

ON

Tags

CCSS.7.G.A.1