1.ABCD is a rhombus AO = 4cm and DO = 3cm find the perimeter of the rhombus?
2.ABCD is a trapezium in which AB parallel to DC and angle A = angle B =45degree find angle C and D
Answers
Answered by
81
1~ as we know diagonals of rhombus bisect each other at 90° therefore in triangle AOD by PYTHAGORAS theorem AD*2=DO*2+AO*2
is AD*2=3*2+4*2
AD=√9+16
AD=√25=5 perimeter of rhombus =4×side
=4×5=20cm
Answered by
5
Step-by-step explanation:
the answer is here ....
Attachments:
Similar questions