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Question
for the following problems, ( \triangle mitcong\triangle her ) 13. ( mangle m=square^{circ} ) 14. ( mangle t=square^{circ} ) 15. ( mt=square cm ) 16. ( overline{im}congsquare )
Step1: Use the property of congruent triangles
Since \(\triangle MIT\cong\triangle HER\), corresponding angles and sides are equal. That is \(\angle M=\angle E\), \(\angle T = \angle H\), \(\angle I=\angle R\), \(MT = EH\), \(IM=RE\), \(IT = HR\)
Step2: Find \(m\angle M\)
We know that \(\angle E = 32^{\circ}\) (given in \(\triangle HER\)). Since \(\angle M=\angle E\) (corresponding angles of congruent triangles \(\triangle MIT\cong\triangle HER\)), so \(m\angle M = 32^{\circ}\)
Step3: Find \(m\angle T\)
We know that \(\angle H=77^{\circ}\) (given in \(\triangle HER\)). Since \(\angle T=\angle H\) (corresponding angles of congruent triangles \(\triangle MIT\cong\triangle HER\)), so \(m\angle T = 77^{\circ}\)
Step4: Find \(MT\)
We know that \(EH = 7\mathrm{cm}\) (given in \(\triangle HER\)). Since \(MT = EH\) (corresponding sides of congruent triangles \(\triangle MIT\cong\triangle HER\)), so \(MT=7\mathrm{cm}\)
Step5: Find \(\overline{IM}\)
We know that \(\overline{RE}\) (in \(\triangle HER\) \(RE = 6\mathrm{cm}\)). Since \(\overline{IM}\cong\overline{RE}\) (corresponding sides of congruent triangles \(\triangle MIT\cong\triangle HER\)), so \(\overline{IM}\cong\overline{RE}\)
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- \(32\)
- \(77\)
- \(7\)
- \(\overline{RE}\)