Answer the 7th question."DON'T SEND THE SIMILAR QUERY.KINDLY PERFORM THE CALCULATION STEP BY STEP" Answer the 7th question."DON'T SEND THE SIMILAR QUERY.KINDLY PERFORM THE CALCULATION STEP BY STEP" (2) LABD = 500, find zorc. 7. (a) In figure ( 1) given below , equilateral triangle EBC surmount. ABCD hr.d angle BED represented by x. (b) In figure (2) given below, ABCD is a rectangle and produced to E. If z ECD = 1460 find the of the AAOB (c) In figure (3) given below, ABCD is a rhombus and diagonals at O u ZOAB : LOBA = 3 : 2, find the angles of the AAOD. c (1) (2) (3) 8. (a) In figure (1) given below. A BCD is a trapeziurn. Find the values ot x and y. (b) In figure (2) given below, ABCD is an isosceles trapezium. Find the valuesoix and y. (C) In figure (3) given below, ABCD is a kite and diagonals intersect at O. If ZDAB = 1120 and ZDCB = 640, find ZOOC and ZOBA. Share with your friends Share 1 Neha Sethi answered this Dear student c) Let ∠OAB:∠OBA=3x:2xWe know that diagonals of a rhombus are ⊥.In △OAB∠OAB+∠ABO+∠BOA=180° angle sum property of triangle⇒3x+2x+90°=180°⇒5x=90°⇒x=18°So, ∠OAB=3×18°=54°and ∠OBA=2×18°=36°As diagonal bisects the angles⇒∠OAB=∠OAD=54°and ∠DOA=90° diagonals of a rhombus are ⊥.Consider △AOD∠AOD+∠ODA+∠DAO=180° angle sum property of triangle⇒90°+∠ODA+54°=180°∠ODA=36° a) Similarly try other part. Regards 0 View Full Answer
