Question

see the attachment and plz show the whole method and answer with full explanation

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Answer 1

Answer:

26.

Step-by-step explanation:

1/2√12^2+5^2 = side of the rhombus

1/2✓144+25= 1/2√169=1/2×13=7.5 = side of the rhombus

all the sides of the rhombus are same and rhombus have 4sides so 7.5×4= 26cm

Answer 2

Step-by-step explanation:

1/2 √ (12)² +( 5)².

1/2 √ 144 + 25

1/2 √169

1/2 √(13)²

1/2 * 13

13/2

6.5 cm

side = 6.5 cm

perimeter = 4 ( side)

= 4 (6.5)

= 26 cm