question 5 of 25

what is the area of a triangle with a base of 9 units and a height of 7 units?

a. 15.75 sq. units
b. 126 sq. units
c. 63 sq. units
d. 31.5 sq. units

Question

question 5 of 25

what is the area of a triangle with a base of 9 units and a height of 7 units?

a. 15.75 sq. units
b. 126 sq. units
c. 63 sq. units
d. 31.5 sq. units

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Triangle Area Formula" ], "new_concepts": [], "current_concepts": [ "Triangle Area Formula" ] } ## Identify the given values $$ \begin{aligned} b &= 9\text{ units} \ h &= 7\text{ units} \end{aligned} $$ ## Apply the triangle area formula $$ \begin{aligned} A &= \frac{1}{2} \times b \times h \ A &= \frac{1}{2} \times 9 \times 7 \ A &= \frac{63}{2} \ A &= 31.5\text{ sq. units} \end{aligned} $$

A. 15.75 sq. units

B. 126 sq. units

C. 63 sq. units

D. 31.5 sq. units

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Geometry", "Triangle Area Formula" ] }

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QUESTION IMAGE

Question

Explanation:

Identify the given values

Apply the triangle area formula

Answer: