What Kind of Angles Have Their Sum of Measures Equals $90 ^ { \circ }$

question 143

Multiple Choice

What kind of angles have their sum of measures equals $90 ^ { \circ }$ ?

• A) right
• B) complementary
• C) vertical
• D) supplementary
• E) acute

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Definitions:

Laddering

A technique used in marketing research to uncover consumers’ values and motivations by exploring the reasons behind their product choices and preferences.

Depth Interviews

A qualitative research method involving detailed, one-on-one discussions to explore the respondent's personal perspective on a specific subject.

Ethnographic Research

A qualitative research method that studies people and cultures from within their natural context, often through participant observation and interviews.

Qualitative Data

Non-numeric information that describes qualities or characteristics, often collected through methods like interviews, observations, and case studies.