If you can't read please download the document
Upload
trmaria
View
579
Download
0
Embed Size (px)
DESCRIPTION
4th geometry unit 2_angles_presentation
Citation preview
2. DEFINITION When two straight lines meet they form fourangles 3. PARTS OF AN ANGLE An angle has got a vertex and two arms 4. MEASURING ANGLES 5. RIGHT ANGLES When two perpendicular lines meet formfour right angles A right angle is 90 6. ACUTE AND OBTUSE ANGLES Smaller angles than 90 are called acute. Bigger angles than 90 are called obtuse. 7. ACUTE AND OBTUSE ANGLES Smaller angles than 90 are called acute. Bigger angles than 90 are called obtuse.