Welcome! The Topic For Today Is…. CHAPTER 4. Topic 1: 200. Question: Answer The angle is 28⁰ !. Find the measure of P1. Back. Topic 1: 400. Question : Find x Answer X=4. Back. Topic 1: 600. Question: Answer Angle 1= 97⁰ Angle 3= 62⁰ Angle 2= 83⁰ .
The Topic For Today Is…
Find the measure of P1
Angle 1= 97⁰ Angle 3= 62⁰
Angle 2= 83⁰
Find the measures of angles 1, 2 and 3
each numbered angle:
Angle 1=140⁰ Angle 2=40⁰
Angle 3=65⁰ Angle 4=75⁰ Angle 5=115⁰
Decide whether the statement is true or false. If it is false, replace the underlined word with a word that will make the statement correct
“If the measures of two angles of a triangle are 62 and 93, then the measure of the third angle is 35.”
False- 25⁰ is the correct angle
Find x and the measure of each side of the triangle:
∆DEF is isosceles, D is the vertex angle,
DE= x+7, DF = 3x-1, EF = 2x+5
In ∆RST, angle T is 5 more than angle R, and angle S is 10 less than angle T. What is the measure of each angle?
In ∆GHI, angle H is 20 more than angle G, and angle G is 8 more than angle I. What is the measure of each angle?
Angle G=56, Angle H=76, Angle I=48
In ∆PQR, angle P = angle Q, and angle R is 24 less than angle P. What is the measure of each angle?
Angle P=68⁰ Q=68⁰ R=44⁰
Which Postulate can you use to prove these triangles congruent?
How would you prove that these triangles are congruent?
Which triangles are
congruent in the figure?
Or ∆HMN = ∆NGH
Name the corresponding congruent angles and sides for the congruent triangles:
Angle A ≅ Angle D
Angle ABC ≅ Angle DCB
Angle ACB ≅ Angle DBC, AB ≅ DC
AC ≅ DB, BC ≅ CB
∆RST is isosceles with RS=RT, angle S≅angle MPS
M, N, and P are midpoints of their sides
NP ≅ MP.
How will you prove that
∆SMP ≅ ∆TNP?
How many triangles are there?
Name the congruent angles and sides for
Lines: AB=DE, BC=EF,AC=DF
Y= 15 Z= 142⁰
Find x, y, and z!
E(-4,-4), F(-2,1), G(-2,-3)
M(4,-4), N(2,1), P(2,-3) & show how!
Angles CFD=60⁰ ABF=70⁰ AFB=55⁰ A=55⁰
Measure of angles:
Point H is at (5,2) and point K is at (7,10)
What is the slope of Line HK?
Write the equation for a line with a slope perpendicular to the line y=3x+5
y=-1/3x+5, anything with -1/3 as the slope of the line!
Write an equation in slope intercept form for the line that satisfies the following conditions:
Perpendicular to y=-4x+1, contains the point (-3,1)
How would you properly name this plane??
Plane DBE or Plane R
∆ABC is isosceles, ∆DCE is
equilateral, ∆FCG is
isosceles. Find the measures of
the five numbered angles at
Angle 1=18⁰, Angle 2=17⁰, Angle 3=26⁰
Angle 4=17⁰, Angle 5=18⁰…how to check?