I got these questions wrong on a test, can u help me fix them please? these are the questions: Question 5
Tina described four triangles as shown below:
Triangle A: All sides have length 12 cm.
Triangle B: Two sides have length 10 cm, and the included angle measures 60°.
Triangle C: Base has length 15 cm, and base angles measure 40°.
Triangle D: All angles measure 60°.
Which triangle is not a unique triangle? (5 points)
Select one:
a. Triangle A
c. Triangle C
d. Triangle D
I believe the answer is because .
Question 6
Lara wrote the following statement:
"You can only draw one unique isosceles triangle that contains an angle of 75°."
Which statement is true? (5 points)
Select one:
a. Lara is correct, because only one unique triangle can be drawn with the given information.
b. Lara is incorrect, because the triangle described cannot be drawn with the given information.
c. Lara is incorrect, because more than one triangle can be drawn with the given information.
d. None of the above.
I believe the answer is because .
A circle is cut from a square piece of cloth, as shown:
a picture shows a shaded square with an unshaded circle inside of it, on top of the square it says 36", the middle of the circle extends to the edges of the cloth.
How many square inches of cloth are cut from the square? (5 points)
(π = 3.14)
Select one:
a. 1,017.36 in2
b. 1,182.96 in2
c. 1,276.00 in2
d. 1,489.24 in2
I believe the answer is because .
Question 10
A running track in the shape of an oval is shown. The ends of the track form semicircles.
a picture shows an oval race track, on the inside of which, is a line going down the side with a semicircle, cutting it off from the rest of the track, along that line it says 56m. along the bottom of the track from the beginning of one semi-circle to the other, there is a line that says 130m.
What is the perimeter of the inside of the track? (5 points)
(π = 3.14)
Select one:
a. 260.00 m
b. 347.92 m
c. 372.00 m
d. 435.84 m
I believe the answer is because .
Question 12
What is the area of a triangle that has a height of 4 feet and a base length of 9 feet? (5 points)
Select one:
a. 18 feet2
b. 36 feet2
c. 144 feet2
d. 324 feet2
I believe the answer is because .