Geometry question, brainliest goes to most helpful

Answer:
MA = 30
MR = 30sqrt(2)
SA = 2400
Step-by-step explanation:
½MA:
sqrt(PS² - alt²)
sqrt(25² - 20²)
sqrt(225)
15
MA = 2 × 15 = 30
MR² = 30² + 30²
MR² = 1800
MR = sqrt(1800)
MR = 30sqrt(2)
Base + 4 triangles
30² + 4(½ × 30 × 25)
2400