Question
Which of the following statements about the figure is true? (FIGURE CAN'T COPY).A. $a+b<90$C. $a+b=90$B. $a+b>90$D. $a+b=45$
Step 1
Step 1: We know that the sum of the angles in a triangle is 180 degrees. Show more…
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Key Concepts
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Which of the following option is correct for the figure?(a) $\vec{A}+\vec{B}=\vec{C}$ (b) $\vec{B}+\vec{C}=\vec{A}$ (c) $\vec{C}+\vec{A}=\vec{B}$ (d) $\vec{A}+\vec{B}+\vec{C}=0$
KINEMATICS
Motion in a Plane
Which statement about $\triangle A B C$ has the same truth value as $A B=B C ?$ (FIGURE CAN NOT BE COPY) $\mathbf{A} \quad m \angle A=m \angle C$ $\mathbf{B} \quad m \angle A=m \angle B$ $\mathbf{C} \quad A C=B C$ $\mathbf{D} \quad A B=A C$
Reasoning and Proof
Logic
Classify each statement as true or false. Because $\mathrm{m} \angle A=\mathrm{m} \angle B,$ it follows that $D A=D C$. (FIGURE CAN'T COPY).
Triangles
Inequalities in a Triangle
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