MATH TEKS 7.11C

STAAR 2015 - SAMPLE Q20: The measures of two angles in a traingle are shown in the diagram. Which equation can be used to find the value of x?

• 48 + 2x =180

• 2(48) + x = 180

• 48 + 2x = 360

• 2(48) + x = 360

Tags

CCSS.8.G.A.5

STAAR 2017- Q24: The angle measures of a traingle are shown in the diagram. What is the value of x?

• 25

• 20

• 10

• 28

Tags

CCSS.8.G.A.5

STAAR 2016-Q19: An isosceles traingle has base angles that each measure 42°. Which equation can be used to find z, the measure of the third angle of this isoceles triangle in degrees?

• 84 + 2z = 180

• 84 + z = 180

• 42 + 2z = 180

• 42 + z = 180

Tags

CCSS.8.G.A.5