Schwartz Schofield

05/26/2023 · Senior High School

4. a) Find the perimeter of triangles, whose sides are \( \begin{array}{lll}\text { (i) } 3.6 \mathrm{~cm}, 5.7 \mathrm{~cm}, 4.5 \mathrm{~cm} & \text { (ii) } 6.3 \mathrm{~cm}, 8.7 \mathrm{~cm}, 5.5 \mathrm{~cm} \\ \text { b) Find the perimeter of squares in which } & \text { (i) } l=6.5 \mathrm{~cm} & \text { (ii) } l=7.4 \mathrm{~cm} \text {. } \\ \text { c) Find the perimeter of rectangles in which } \\ \begin{array}{lll}\text { (i) } l=9.6 \mathrm{~cm} \quad \mathrm{~b}=6.4 \mathrm{~cm} & \text { (ii) } l=16.3 \mathrm{~cm}, \mathrm{~b}=12.2 \mathrm{~cm}\end{array} \\ \begin{array}{ll}\text { d) Find the perimeter of circles in which } & \text { (i) } \mathrm{r}=7 \mathrm{~cm} \\ \text { (ii) } \mathrm{d}=42 \mathrm{~cm}\end{array} \\ \text { 5. Find the perimeter of a triangular garden whose lengths are } 15 \mathrm{~m}, 20.5 \mathrm{~m} \text {, and } \\ 17.5 \mathrm{~m} \text {. Also find its semi-perimeter. }\end{array} \)