Solving Legs in Right Triangles

To which shape(s) does the Pythagorean theorem apply?

• All triangles

• Right triangles only

• Some right triangles and some isosceles triangles 

• Right triangles and circles.

Tags

CCSS.8.G.B.8

The legs form what type of angle?

• Acute

• Obtuse

• Reflex

• Right

Tags

CCSS.4.G.A.1

The Pythagorean theorem states that:

• The two smaller sides of a right triangle sum to equal the longest side.

• The squares of the two smaller sides of a right triangle sum to equal the square of the longest side.

Tags

CCSS.8.G.B.8

What is the final step in solving this work for c?
a² + b² = c²
3² + 4² = c²
9 + 16 = c²
25 = c²

• Divide both sides by 2

• Take the square root of both sides

Tags

CCSS.8.G.B.8

Solve the right triangle. Round all answers to the nearest whole number.

• 18

• 13

• 72

Tags

CCSS.HSG.SRT.C.8

Find the missing side length. Round to the nearest tenth.

type in just the number

Mathematical Equivalence

ON

Tags

CCSS.HSG.SRT.C.8

1. Right triangle ABC is shown. 

Select all expressions which are equal to the length of side BC .

Tags

CCSS.HSG.SRT.C.8

Solve the right triangle. Round all answers to the nearest whole number.

• 18

• 13

• 72

Tags

CCSS.HSG.SRT.C.8

• 27/36
• 27/45
• 45/36
• 45/27

Tags

CCSS.HSG.SRT.C.6

Set up the problem...

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

Tags

CCSS.HSG.SRT.C.6