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- 1. Multiple Choice
Find the area of ABC to the nearest tenth.
62.3 units2
124.6 units2
77.0 units2
100 units2
- 2. Multiple Choice
Find the area of
if a = 9cm, b = 11cm, c = 16cm52.1 sq cm
89.5 sq cm
47.6 sq cm
15.2 sq cm
- 3. Multiple Choice
Find Area of ABC
223.6 units2
73.1 units2
52.7 units2
3.3 units2
- 4. Multiple Choice
What is the area of a triangle with two sides that measure 6 m and 8 m with an included angle of 137°?
17.8m²
14.6m²
16.4m²
12.9m²
- 5. Multiple Choice
What is the area of a triangle with two sides that measure 5 cm and 8 cm with an included angle of 39°?
15.9cm²
12.6cm²
15.3cm²
16.2cm²
- 6. Multiple ChoiceWhich of the following formulas shows the Law of Cosines?c2 = a2 + b2 - 4ac + cosAc2 = a2 - b2 - 2abcosCc2 = a2 + b2 - 2abcosC(cos A)/a = (cos B)/b
- 7. Multiple Choice
If the sides of a triangle are 8, 8, and 8, what is the area?
8
15.58
27.71
62.91
- 8. Multiple Choice
If the sides of a triangle are 3, 4, and 5, what is the area?
6
6.28
12
3.14159
- 9. Multiple Choice
Which formula would you use?
Law of Sines
Law of Cosines
A=.5bcsinA
Herons
- 10. Multiple Choice
Which formula would you use?
Law of Sines
Law of Cosines
Herons
A=.5acsinB
- 11. Multiple ChoiceWhat is the area of this triangle?14.494 meters squared108.184 meters squared54.092 meters squared54.35 meters squared
- 12. Multiple ChoiceFind the area to the nearest tenthABCD
- 13. Multiple Choice
Find the area:
104.5 units²
120 units²
80.5 units²
2400 units²
- 14. Multiple Choice
What is this Triangle's area?
8.0
17.9
80.0
8.97
- 15. Multiple Choice
Which area formula works for this triangle?
½(5)(7)cos(49⁰)
(5)(7)sin(49⁰)
½(5)(7)sin(49⁰)
all of these
- 16. Multiple Choice
If the sides of a triangle are 12,5, and 2. What is the area?
12
40.65
19
This triangle does not exist
- Answer choicesTagsAnswer choicesTags