Naming Triangles Sides
A triangle with one right angle is what kind of triangle?
Right Triangle
if b=1.1 cm and h=4 cm, A=?
2.2
A triangle with 2 sides the same length.
What is an isosceles triangle?
A triangle with all angles less than 90°.
Acute Triangle
if b=3 cm and h=4 cm, A=?
What is A=6 square centimetres?
if b=5.6 cm and h=2.3 cm, A=?
6.44
This is the name of a triangle with no sides the same length.
What is a scalene triangle?
A triangle with one angle greater than 90°.
Obtuse Angle
if b=8 m and h=10 m, A=?
What is A=40 square metres
if b=3.6 cm and h=4.6 cm, A=?
8.28
The triangle has side lengths 5 cm, 5 cm, and 8 cm. Name the triangle.
isosceles triangle
A triangle has angle measures 30°, 60°, and 90°. Name the triangle.
Right Triangle
if b=35 cm and h=18cm, A=?
315
if b=11.3 cm and h=.3.4 cm, A=?
19.21
A triangle has side lengths 3 cm, 4 cm, and 5 cm. Name the triangle by its sides.
scalene triangle
To be an acute triangle, a triangle must have how many acute angles?
3
if b=27 cm and h=13 cm, A=?
175.5
if b=14.6 cm and h=6.4 cm, A=?
46.72