caption: Calculate the area of this triangle.
exif: {"Image DocumentName": "Calculate the area of this triangle.", "Image ImageDescription": "5cm. 10cm. Area = \u00d7 10cm \u00d7 5cm = 1. 25cm\u00b2. 2.", "Image XResolution": "200", "Image YResolution": "200", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}