how do i find the missing length of the two sides of the triangle?

Japanese Garden THE JAPANESE GARDEN A Japanese garden will be set up next to the pond by installing three strips of decorative edging. The sides of the pond that measure 14 m and 15 m will each be extended by installing a strip of decorative edging. S. SS . A third strip of decorative edging will be parallel to the side of the pond measuring 13 m. This strip of ratios ? . - .=. 18.2 m decorative edging measures 18.2 m. The figure on the 14 m Japanese Garden 13 m right shows the top view of the pond and the Japanese garden. Pond The decorative edging is sold to the nearest tenth of a metre. It costs $15/m. B 15 m