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7.3 Angles of a Triangle (Due 4/19/24)

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Last updated 15 days ago
26 questions
Required
12
Required
15
Required
15
Required
20
Required
15
Required
10
Required
10
Required
40
Required
40
Required
10
Required
10
Required
10
Required
10
Required
10
Required
10
Required
15
Required
30
Required
30
Required
30
Required
30
Required
20
Required
20
Required
50
Required
20
Required
20
Required
90

Essential Question: What can you say about the interior and exterior angles of a triangle?


Learning Target: Students will be able to calculate the interior and exterior angles of a triangle given the number of sides.




Complete the entire document and show all work for full credit.

Question 1
1.

Match each missing angle measure to the correct triangle.

Draggable itemarrow_right_altCorresponding Item
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Question 2
2.
Find each missing angle measures.

m∠1=_______°
m∠2=_______°
m∠3=_______°
Question 3
3.
Find each missing angle measures.

m∠1=_______ °
m∠2=_______ °
m∠3=_______ °
Question 4
4.
Find each missing angle measures.

m∠1=_______ °
m∠2=_______ °
m∠3=_______ °
m∠4=_______ °
Question 5
5.
Find each missing angle measures.

m∠1=_______ °
m∠2=_______ °
m∠3=_______ °
m∠4=_______ °
m∠5=_______ °
Question 6
6.

Find the value of x.

Question 7
7.

Find the value of x.


Question 8
8.
Find the value:

x=_______ °
m∠P=_______ °
m∠Q=_______ °
m∠R=_______ °


Question 9
9.
Find the value:

x=_______ °
m∠D=_______ °
m∠E=_______ °
m∠F=_______ °


Day 2 2/19/25

Isosceles and Equilateral Triangles

Question 10
10.
Find the measure of the indicated angle.

m∠C=_______
m∠A=_______
Question 11
11.
Solve for x.

Find the measure of the indicated angle.

x=_______
m∠T=_______
m∠R=_______
Question 12
12.
Solve for x.

Find the measure of the indicated angle.

x=_______
m∠C=_______
m∠B=_______
Question 13
13.
Solve for x.

Find the length of the indicated side.

x=_______
DE=_______
m∠E=_______
Question 14
14.
Solve for x.

Find the length of the indicated side.

x=_______
OM=_______
m∠G=_______
Question 15
15.
Solve for x.

Find the length of the indicated side.

x=_______
KL=_______
m∠J=_______
Question 16
16.
A regular pentagon has five congruent sides and five 108° angles, as
shown in the figure. Find the angle measures: x = _______ ; y = _______ ;
z = _______

Day 3 2/20/25

Question 17
17.
Find all missing angles.

m∠1 =_______ °
m∠2= _______ °
m∠3= _______ °
m∠4=_______ °
m∠5=_______ °
m∠6=_______ °
Question 18
18.
Find all missing angles.

m∠1 = _______ °
m∠2= _______ °
m∠3= _______ °
m∠4=_______ °
m∠5=_______ °
m∠6=_______ °
m∠7=_______ °
m∠8=_______ °
Question 19
19.
Solve for x
x =_______

Find all missing angles
m∠CAB= _______ °
m∠ABC= _______ °
m∠ACB=_______ °
m∠DCB=_______ °
Question 20
20.
Solve for x
x =_______

Find all missing angles
m∠JKL= _______ °
m∠KJL= _______ °
m∠KLJ=_______ °
m∠KLM=_______ °
Question 21
21.
Solve for x and y
x =_______
y=_______
Question 22
22.
Solve for x and y
x =_______
y=_______

Types of Triangles

Question 23
23.

Question 24
24.
Solve for x and y
x =_______
y=_______
Question 25
25.
Solve for x and y
x =_______
y=_______
Question 26
26.
If △ABC is an isosceles triangle and △DBE is an equilateral triangle, find each angle measure.
m∠1=_______
m∠2=_______
m∠3=_______
m∠4=_______
m∠5=_______
m∠6=_______
m∠7=_______
m∠8=_______
m∠9=_______
x=81
x=146
x=24
x=76
x=65
x=23
Classify each triangle by its angles and sides. Equal sides and equal angles, if any, are indicated in each diagram. (Each triangle should be marked twice.)
Isoceles Triangle
Equilateral Triangle
Scalene Triangle
Acute Triangle
Obtuse Triangle
Right Triangle
Equiangular