c. Calculate the thigh, shank and knee angles based on the XY coordinates of the hip, knee and ankle joint centres. Hip joint (1.1,0.9) Knee joint Ankle joint (0.9, 0.1) (1.2, 0.5) (0.9.0.1) Knee angle

LUTUCAN INTEGRATED NATIONAL HIGH SCHOOL Snt tE MATHEMATICS DEPARTMENT Activity -Mathematics 8 3* QUARTER - WEEKS 3 and 4 Name: Grade & Section: I. Name the triangle which is congruent to the other triangle. AA AA 1. 2. B V ABAC = AJKL = ASUV IL. Identify the following. Corresponding congruent sides: 1. 2. 3. Corresponding congruent angles: 4. 5. APRQ = 6. Gven the figure below, identify the following: 1. Included angle between AB and AC. 2.Included side between 2C and LD. 3. Included angle between BC and CD 4. Included side between LA and ZB 5. Included angle between AD and DB 6. Included angle between BD and BC BD C Based on the tick marks on the figure, identify the triangle congruence postulate shown in the following. Is it SAS, ASA or SSS. Name the second triangle. IV. 1. AABC = Reason: C. page 4 of 5

LOS. Determine the approximate measure of angle Y. Y 10 7. 70 O A. 44.4 degrees O B. 41.1 degrees O C. 68.9 degrees O D. 0.658 degrees

Niall is going to perform a dilation of the figure shown below. The dilation will have center C and scale factor 0.25. The resulting lines will be k' and m'. Describe how lines k and k' will be related, and explain how you know. Describe how lines m and m' will be related, and explain how you know.