Given triangle GHJ, the measure of angle G equals 110°, the measure of angle J equals 40°, and the measure of angle H equals 30°
2 answers:
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In the given diagram, line BG bisects ∠ABC and ∠DEF, m∠ABC= 112°, and ∠ABC≅∠DEF. So the measure of angles are :
1. m∠DEF= 112° because ∠ABC≅∠DEF
2. m∠ABG= 56° because a straight line BG is bisecting ∠ABC in two equal parts. So,
3. m∠CBG= 56° because ∠ABG and ∠CBG are equal.
4. m∠DEG= 56° because ∠ABG ≅ ∠DEG
Answer:
,
Step-by-step explanation:
First, the vector must be transformed into its polar form:
Let assume that vector is rotated counterclockwise. The new angle is:
Which is coterminal with . The reflection across y-axis is:
The equivalent vector in rectangular coordinates is: