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ใบงานที่ 4.4
เรื่อง การนำความรู้เกี่ยวกับอัตราส่วนตรีโกณมิติไปใช้ในชีวิตจริง
คำชี้แจง : ให้นักเรียนแสดงวิธีหาคำตอบพร้อมทั้งวาดรูปประกอบ
o
1) นาย A มองเห็นยอดตึกแห่งหนึ่งเป็นมุมเงย 60 จากระดับสายตาถ้าตึกสูง 50 เมตร จงหาว่านาย A อยู่ห่างจาก
ตึกนี้กี่เมตร โดยไม่คิดความสูงของนาย A
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