Question

please help me fast i will mark ur ans brainlist ​with explanation

Answer 1

Answer:

Dear friend here is your answer:-

1. 13 cm

2. 7cm

Step-by-step explanation:

mark as brainliest answer

Answer 2

Answer:

(17) Perimeter = 8 cm + 5 cm + 8 cm + 5 cm

= 13 cm + 13 cm

= 26 cm

(18) The longest chord of any circle is its diameter. A diameter is twice the radius.

Radius = 2.9 cm

Diameter = 2.9 cm × 2

= 5.8 cm

Hence, the longest chord of a circle with radius 2.9 cm is 5.8 cm.

Hope it helps