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timama [110]
3 years ago
8

The questions are below:

Mathematics
1 answer:
forsale [732]3 years ago
8 0

Answer:

See below in BOLD.

Step-by-step explanation:

<u>The first part:</u>

Applying the Pythagoras theorem to both triangles.

The one on the left:

13^2 = 12^2 + x^2

x^2 = 169 - 144 = 25

x = 5 units.

The one on the right:

x^2 = 5^2 + 12^2 = 169

x = 13 units.

(a) So the 2 shorter sides in the triangles have the same length.

(b) The 3 sides of each triangle have the same length so they are congruent by SSS.

<u>The Second Part.</u>

(a) F. They<u> could be congruent</u> because the angles are all equal but we don't know anything about the lengths of the sides.

(b). C. Congruent. by ASA.  The angles at each side of the line of length 9.2 are equal in measure.

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A cake has a circumference of 25 1/7 inches. What is the area of the cake? Use 22/7 to approximate pi
Novosadov [1.4K]
To calculate for area given the circumference we proceed as follows:
C=2πr
where:
r=radius
thus given that C=25 1/7 in=176/7
thus plugging in our formula to solve for r we get:
176/7=2πr
thus
r=4.002~4.00 in
hence the area will be:
A=πr²
A=π×(4²)
A=50 2/7 in²


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