# 1-5 Bisectors 1-6 The Coordinate Plane 1-7 Perimeter and Area - PowerPoint PPT Presentation

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1-5 Bisectors 1-6 The Coordinate Plane 1-7 Perimeter and Area. Vocabulary. Perpendicular Lines – lines that intersect to form right angles. Vocabulary. Perpendicular Bisector HG B FI and FG ≅ GI Angle Bisector <JKM ≅ <MKL. Distance Formula Midpoint Formula. Rectangle

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1-5 Bisectors 1-6 The Coordinate Plane 1-7 Perimeter and Area

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## 1-5 Bisectors1-6 The Coordinate Plane1-7 Perimeter and Area

### Vocabulary

Perpendicular Lines – lines that intersect to form right angles.

### Vocabulary

Perpendicular Bisector

HG B FI and FG ≅ GI

Angle Bisector

<JKM ≅ <MKL

Distance Formula

Midpoint Formula

Rectangle

Area: length x width

Triangle

Area: ½ base x height

### Examples

• Find x

• Find m<JKL

A(3,8), B(0,-4), C(-5,-6)

3) Find distance of AB.

4) Find midpoint of AC.

5) B is midpoint of AD. Find the coordinates of D.

Find perimeter and area.

A(-7,-2), B(-3,3), C(4,-2) 7)A(-2,0), B(2,4), C(8,-2), D(4,-6)