In the figure, yx−→− and yz−→− are tangents to circle a at points x and z, respectively.
mxz=...
Mathematics, 31.01.2020 21:44, xojade
In the figure, yx−→− and yz−→− are tangents to circle a at points x and z, respectively.
mxz=140∘ mxsz=220∘
what is the measure of ∠xyz ?
enter your answer in the box.
Answers: 2
Mathematics, 21.06.2019 14:10, evalentine843
Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution
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Mathematics, 21.06.2019 15:30, cbaillie8462
20 only answer if 100% sure most high school-aged teens are very active. a. true b. false
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Mathematics, 21.06.2019 23:30, legendman27
Given: ad¯¯¯¯¯ is an altitude. prove: ab2+ac2=cb2 right triangle a b c with right angle a. point d lies on side b c and segment a d is drawn. angle a d c is a right angle. drag and drop a reason into each box to correctly complete the two-column proof. statement reason ad¯¯¯¯¯ is an altitude, and ∠bac is a right angle. given ∠adb and ∠adc are right angles. definition of altitude ∠bac≅∠bda ? ∠bac≅∠adc ? ∠b≅∠b ? ∠c≅∠c reflexive property of congruence △abc∼△dba ? △abc∼△dac aa similarity postulate abbd=cbab ? ab2=(cb)(bd) cross multiply and simplify. acdc=cbac polygon similarity postulate ac2=(cb)(dc) cross multiply and simplify. ab2+ac2=ab2+(cb)(dc) addition property of equality ab2+ac2=(cb)(bd)+(cb)(dc) substitution property of equality ab2+ac2=(cb)(bd+dc) ? bd+dc=cb segment addition postulate ab2+ac2=cb2 substitution property of equality
Answers: 1
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