Topics
4. Right Triangles & Trigonometry
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United States of AmericaTennessee
Integrated Math 3

4.09 Areas of triangles

Lesson
Practice
Adaptive
Worksheet

Interactive practice questions

Calculate the area of the following triangle.

Round your answer to two decimal places.

A triangle is depicted with the measurements of its two sides and their included angle. The included angle, highlighted by a blue-shaded arc, measures $50^\circ$50° and is adjacent to sides measuring $12$12 m and $13.1$13.1 m.
Easy
2min

Calculate the area of the following triangle.

Round your answer to two decimal places.

Easy
1min

Calculate the area of the triangle.

Round your answer to two decimal places.

Easy
< 1min

Calculate the area of the triangle.

Round your answer to two decimal places.

Easy
< 1min
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Outcomes

M3.N.Q.A.1.A

Choose and interpret the scale and the origin in graphs and data displays.

M3.G.SRT.C.5

Solve triangles.*

M3.G.SRT.C.5.C

Use the Law of Sines and Law of Cosines to solve non-right triangles in a real-world context.

M3.MP1

Make sense of problems and persevere in solving them.

M3.MP2

Reason abstractly and quantitatively.

M3.MP3

Construct viable arguments and critique the reasoning of others.

M3.MP4

Model with mathematics.

M3.MP5

Use appropriate tools strategically.

M3.MP6

Attend to precision.

M3.MP7

Look for and make use of structure.

M3.MP8

Look for and express regularity in repeated reasoning.

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