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 use full sentences when prompted for full credit.
Responses without work will receive no points.
Remember to upload work from paper when prompted to receive credit.
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 | |
|---|---|---|---|---|---|---|---|
Match each missing angle measure to the correct triangle.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
x=65 | arrow_right_alt | |
x=23 | arrow_right_alt | |
x=76 | arrow_right_alt | |
x=81 | arrow_right_alt | |
x=146 | arrow_right_alt | |
x=24 | arrow_right_alt |
Find each missing angle measures.
m∠1=
m∠2=
m∠3=
Find each missing angle measures.
m∠1=
m∠2=
m∠3=
Find each missing angle measures.
m∠1=
m∠2=
m∠3=
m∠4=
Find each missing angle measures.
m∠1=
m∠2=
m∠3=
m∠4=
m∠5=
Find the value of x.
Find the value of x.
Find the value:
x=
m∠P=
m∠Q=
m∠R=
Find the value:
x=
m∠D=
m∠E=
m∠F=
Find all missing angles.
m∠1 =
m∠2=
m∠3=
m∠4=
m∠5=
m∠6=
m∠7=
m∠8=
Solve for x
x =
Find all missing angles
m∠CAB=
m∠ABC=
m∠ACB=
m∠DCB=
Solve for x
x =
Find all missing angles
m∠JKL=
m∠KJL=
m∠KLJ=
m∠KLM=
Given: Line l || Line m
Solve for x and y
x =
y=
Solve for x and y
x =
y=
Solve for x and y
x =
y=
Solve for x and y
x =
y=
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=
Find the measure of the indicated angle.
m∠C=
m∠A=
Solve for x.
Find the measure of the indicated angle.
x=
m∠T=
m∠R=
Solve for x.
Find the measure of the indicated angle.
x=
m∠C=
m∠B=
Solve for x.
Find the length of the indicated side.
x=
DE=
m∠E=
Solve for x.
Find the length of the indicated side.
x=
OM=
m∠G=
Solve for x.
Find the length of the indicated side.
x=
KL=
m∠J=
A regular pentagon has five congruent sides and five 108° angles, as shown in the figure. Find the angle measures:
x =
y =
z =
Find all missing angles.
m∠1 =
m∠2=
m∠3=
m∠4=
m∠5=
m∠6=
