Isosceles Triangle

During a friendly geometry competition, Jackson, Arjun, and Kai are trying to solve a problem involving an isosceles triangle. They found out that one of the base angles is 40 degrees. Can you help them figure out the measure of the third angle?

• 100

• 120

• 80

• 60

Tags

CCSS.8.G.A.5

Arjun, Samuel, and Grace are playing a game where they have to find the measure of angles in an isosceles triangle. If one of the base angles in the triangle is 60 degrees, can you help them figure out the measure of each of the other two angles?

• 30

• 60

• 45

• 90

Tags

CCSS.8.G.A.5

Avery, Zoe, and Maya are trying to solve a puzzle involving an isosceles triangle. They found out that one of the base angles is 75 degrees. Can you help them figure out the measure of the third angle?

• 30

• 90

• 60

• 45

Tags

CCSS.8.G.A.5

Noah, Sophia, and Abigail are playing a game of 'Triangle Masters'. Noah draws an isosceles triangle and tells Sophia that one of the base angles is 45 degrees. Sophia, being the 'Triangle Master', needs to tell the measure of each of the other two angles. Can you help Sophia?

• 45

• 90

• 60

• 30

Tags

CCSS.8.G.A.5

Kai, Liam, and Michael are building a giant isosceles triangle sandcastle at the beach. If one of the base angles they've made is 30 degrees, can you help them figure out the measure of the third angle?

• 45

• 60

• 120

• 90

Tags

CCSS.8.G.A.5

Aiden, Kai, and Mia are playing a game of 'Triangle Masters'. Aiden draws an isosceles triangle and tells Kai that one of the base angles is 80 degrees. If Kai has to guess the measure of each of the other two angles to win, what should his answer be?

• 60

• 80

• 40

• 100

Tags

CCSS.8.G.A.5

Charlotte and Aria are having a friendly competition to solve a geometry problem. They have an isosceles triangle with one of the base angles being 55 degrees. Liam, their friend, challenges them to find the measure of the third angle. Can you help them?

• 45

• 60

• 80

• 70

Tags

CCSS.8.G.A.5

Luna, Jackson, and Emma are playing a game where they have to find the measures of angles in an isosceles triangle. If one of the base angles in the triangle is 70 degrees, can you help them figure out the measure of each of the other two angles?

• 35

• 70

• 45

• 90

Tags

CCSS.8.G.A.5

Isla, Arjun, and Ava are playing a game where they have to find the measure of the third angle in an isosceles triangle. If one of the base angles is 20 degrees, can you help them find the measure of the third angle?

• 80

• 140

• 60

• 40

Tags

CCSS.8.G.A.5

Imagine Jackson, Noah, and Ava are playing a game of 'Triangle Masters'. Jackson draws an isosceles triangle and tells Noah that one of the base angles is 50 degrees. If Noah wants to win, he needs to tell Ava the measure of each of the other two angles. Can you help Noah win the game?

• 50

• 60

• 40

• 70

Tags

CCSS.8.G.A.5