Special Right Triangles

1
Special Right Triangles

• EQ How do you find the missing side lengths in
  special right triangles?

M2 Unit 2 Day 1
2
45º-45º-90º Triangles

• A 45- 45- 90 triangle has two sides of equal
  length.
• The lengths of the sides of a 45- 45- 90
  triangle are in the ratio of .

H Lv2
3
Find the missing sides
1.
2.
6
10
4
Find the missing sides
3.
4.
12
5
Find the value of each variable. Write answers in
simplest radical form.
5.
6.
6
Find the value of each variable. Write answers in
simplest radical form.
8.
7.
7
30º-60º-90º Triangles

• The lengths of the sides of a 30- 60- 90
  triangle are in the ratio of .

8
30º-60º-90º Triangles

• H hypotenuse
• LL long leg
• SL short leg

H 2SL LL SLv3
9
Find the missing sides
10.
9.
4
7
10
Find the missing sides
11.
16
12.
11
11
Find the missing sides
13.
14.
12
Find the missing sides
15.
16.
9
12
13
Find the value of each variable. Write answers in
simplest radical form.
17.
18.
14
Find the value of each variable. Write answers in
simplest radical form.
19.
15

• HW WB pg 166-167 (1-14)